Dr.
Edward
SimpsonFillmore,
D.L.,
Lucas, S.G., Simpson, E.L., Submitted April,
2010, The fish swimming trace Undichna from the
Mississippian Mauch Chunk
Formation, Eastern Pennsylvania, Ichnos.
Simpson, E.L., Hilbert-Wolf, H.L., Wizevich, M.C., Tindall, S.E., January 2010, Implications of the Internal Plumbing of A Late Cretaceous Sand Blow: Grand Staircase-Escalante National Monument, Utah: Titus, A., ed. Paleontology and Geology of the Cretaceous Interior seaway.
*Storm,
L.,
*Needle,
M.D., *Smith, C.J., Fillmore, D. L., Szajna, M., Simpson,
E.L., Lucas, S. G., February 2010, An upper
Mississippian vertebrate burrow from the Mauch Chunk
Formation, Eastern Pennsylvania: Palaeogeography,
Palaeoclimatology, Palaeoecology.
*Moran, K.,
Hilbert-Wolf, H.L., Golder, K., *Malenda, H.F., *Smith, C.J., *Storm,
L.P., Simpson, E.L., Wizevich, M.C., Tindall,
S. E., Submitted April 2010, Implications
of
the
wood-boring trace fossil
Asthenopodichnium xylobiotum in the Late
Cretaceous Wahweap Formation, Utah, USA: Palaeogeography,
Palaeoclimatology, Palaeoecology.
Simpson,
W.S.,
Simpson,
E.L., Wizevich, M.C., *Malenda, H.F., Hilbert-Wolf, H.L., Tindall, S.E.,
2010. A preserved Late Cretaceous biological
soil crust in the capping sandstone member, Wahweap Formation, Grand
Staircase-Escalante National Monument, Utah, Palaeoclimatic implications.
Sedimentary
Geology.
Fillmore,
D.L.,
Lucas, S.G., Simpson, E.L., 2010, Invertebrate
trace
fossils
in semi-arid to arid braided-ephemeral river deposits of the
Mississippian middle member of the Mauch Chunk Formation, eastern
Pennsylvania,
USA: Palaeogeography, Palaeoclimatology, Palaeoecology, 292, p.
222-244.
Simpson, E. L., Hilbert-Wolf, H. L., Wizevich, M.C., Tindall, S.E.,
*Fasinski, B. R., *Storm, L. P., and *Needle, M.D., 2010,
Predatory Digging Behavior in Dinosaurs: Geology, v. 38, p.
699-702.
Tindall, S.E., *Storm,
L.P., *Jenesky, T.A., Simpson, E.L., 2010, Growth faults in the Kaiparowits basin,
Utah, pinpointing initial Laramide uplift in the western Colorado
Plateau:
Lithosphere, v. 2, 221-230.
Lucas,
S.
G., Fillmore, D.L., and Simpson, E.L., 2010, The
Mississippian tetrapod footprint Palaeosauropus: Extramorphological
variation
and ichnotaxonomy: Ichnos.
Lucas,
S.
G., Fillmore, D.L., and Simpson, E.L., 2010, Amphibian
body impressions from the Mississippian of Pennsylvania, USA:
Ichnos.
Simpson, E.L., Hilbert-Wolf, H.L., Wizevich, M.C.,
Lucas, S.G., *Tester,
E., Tindall, S.E.,
*Bernard, J.J., 2010, A
Crocodylomorph trace in the Late Cretaceous capping sandstone member of
the
Wahweap Formation in Grand Staircase-Escalante National Monument, Utah,
In,
Milán, J., Lucas, S.G., Lockley, M.G., and Spielmann, J.A.
editors, Crocodile
tracks and traces: New Mexico Museum of Natural History and Science
Bulletin
51, p. 165-169
Eriksson,
K.A.,
and
Simpson, E.L., 2010, Precambrian tidal
facies, In, Davis,
R.A., and Dalrymple, R.W., eds., Tidal Sedimentology, Springer.
Simpson, E.L., Wizevich, M.C., Hilbert-Wolf, H.L., Tindall, S.E., *Bernard, J.J., Simpson, W.S., 2009, An Upper Cretaceous sag pond deposit: Implications for the recognition of local seismicity and surface rupture along the Kaibab Monocline, Utah: Geology, v. 37. p 967-970.
Fillmore, D. L., Simpson, E. L., and Lucas, S. G., 2009, Issac Lea’s Palaeosauropus (=Sauropus”) primaevus: a review of his discovery: Ichnos v. 16, p. 220-229. (DOI: 10/1080/10420940802686152)
Hilbert-Wolf,
H.L.,
Simpson, E.L., Simpson, W.S., Tindall,
S.E., Wizevich, M. C., 2009, Insights into
syndepositional fault movement in a foreland
basin; trends in seismites of Upper Cretaceous Wahweap Formation,
Kaiparowits
Basin, Utah, U.S.A.: Basin Research, v. 21,
p. 856-871.
Simpson, E. L., Hilbert-Wolf, H. L., Simpson, W.S., Tindall, S. E.,
*Bernard, J. J., *Jenesky, T. A., and Wizevich, M. C., 2008, The interaction of aeolian and fluvial
processes during deposition of the Upper Cretaceous capping sandstone
member,
Wahweap Formation, Kaiparowits Basin, Utah, U.S.A.:
Palaeogeography,
Palaeoclimatology, Palaeoecology, v 270. p. 19-28.
Eriksson, P. G., Long, D. G. F., Bumby, A. J., Eriksson, K. A., Simpson, E. L., Catuneanu, O., Claassen, M., Mtimkulu, Mudziri, K.T., M. N., Brümer, J. J., and van der Neut, M., 2008, Palaeohydrological data from the 2.0-1.8 Ga Waterburg Group, South Africa: Discussion of a possible unique Palaeoproterozoic fluvial style: South African Journal of Geology, v. 111, p. 183-206.
Lucas,
S.
G.,
Fillmore, D. L., Simpson, E. L.,
and Sullivan, R. M., 2007, The geologic
age of Isaac Lea’s footprints from Mount Carbon: A forgotten chapter in
the
history of science in Pennsylvania: Pennsylvania Heritage, v. 33,
no. 3, p.
26-35.
Fillmore, D.L., Simpson, E. L., and Lucas, S. G., 2007, Isaac Lea and the discovery of ancient footprints: Pennsylvania Geology, v. 37, no. 1, p. 5-11.
Eriksson, K.A., Simpson, E. L., and Mueller, W., 2006, An unusual fluvial to tidal transition in the Mesoarchean Moodies Group, South Africa: A response to high tidal range and active tectonics: Sedimentary Geology, v. 190, 13-24.
Noffke, N., Eriksson, K. A., Hazen, R. E., and Simpson,
E.
L., 2006, A new
window into early life: Microbial mats in Earth’s oldest siliciclastic
tidal
flats (3.2 Ga Moodies Group, South Africa): Geology, v. 34. 253-256.
Eriksson,
K.A.,
Simpson, E.L, Master, S. E., and Henry,
G., 2005, Neoarchean (c. 2.58) Halite
cast: Implications for palaeoceanic chemistry: Journal of the
Geological
Society of London, v. 162, no. 5, p. 789-799.
Simpson, E.L., Eriksson, K.A., Kuklis, C.A.,* Eriksson, P.G., Bumby, A.J., and Jaarsveld, C.F., 2004, Saline pan deposits, the ~1.8 Makgabeng Formation, Waterberg Group, South Africa: Sedimentary Geology, v. 163, p. 279-292.
Simpson, E.L., Bose, P., Alkmim, F.F., Rainbird, R., Martins-Neto, M., Bumby, A., Eriksson, P.G., Eriksson, K.A., and Middleton, L., 2004, Oldest eolian deposits, earliest c. 1.8 Ga ergs and Proterozoic erg dynamics, in Eriksson, P.G., Alterman, W., Nelson, D., Mueller, W., and Catuneanu, O., eds, The Precambrian Earth: Tempos and Events: Developments in Precambrian Geology 12, Elsevier, Amsterdam, 642-657.
Eriksson, K.A., and Simpson, E.L., 2004, Precambrian Tidalites: Recognition and Significance, in Eriksson, P.G., Alterman, W., Nelson, D., Mueller, and W., Catuneanu, O., eds, The Precambrian Earth: Tempos and Events: Developments in Precambrian Geology 12, Elsevier, Amsterdam, p. 631-642.
Simpson, E.L., Eriksson,
K.A., Eriksson, P.G., and Bumby, A.J., 2002, Eolian dune
degradation and generation of massive sandstones in the
Paleoproterzoic Makgabeng Formation, Waterberg Supergroup, South Africa:
-
Journal
of Sedimentary Research, v. 72, p. 40-45.
Simpson, E.L., Dilliard, K.A.*, Higgins, D*. and Rowell, B. F., 2002, The Fluvial-to-Marine Transition within the Post-rift Lower Cambrian Hardyston Formation, Eastern Pennsylvania: Sedimentary Geology, v. 147, p. 127-142. (most downloaded article at Sedimentary Geology through Dec 04)
Eriksson,
K.A.,
and
Simpson, E.L., 2001, Quantifying the
oldest tidal record: The 3.2
Ga Moodies Group, Barberton Greenstone Belt, South Africa - Reply:
Geology,
v. 29, p. 1159-1160.
Eriksson,
K.A.,
and
Simpson, E.L., 2000, Quantifying the
oldest tidal record: The 3.2
Ga Moodies Group, Barberton Greenstone Belt, South Africa: Geology,
v. 28,
p. 831-834.
Eriksson,
P.G.,
Simpson, E.L., Eriksson, K.A.
Bumby, A.J., Steyn, G.L., and Sarkar, S.,
2000, Muddy roll-up structures in clastic
playa beds of the c. 1.8 Ga Waterberg Group, South Africa, Palaios,
v. 15,
p. 177-183.
*Dilliard, K.A.,
Simpson, E.L., *Noto, R.C. and
Wizevich, M.C., 1999, Characterization of
fluvial systems associated with flood basalt volcanism, Neoproterozoic
Catoctin
Formation, Northern Virginia, U. S. A.: Precambrian Research, v.
97, p.
115-134.
*Dilliard, K.A.,
Simpson, E.L., and *Noto, R.C.,
1999, The Neoproterozoic Paleosurface and
associated colluvial and fluvial deposits, Shenandoah National Park,
Virginia:
Southeastern Geology, v. 38, p. 239-257.
Eriksson,
K.A.,
and
Simpson, E.L., 1998, Controls on
spatial and temporal
distribution of Precambrian eolianites: Sedimentary Geology, v.
120, p.
275-294.
Driese,
S.G.,
Simpson, E.L., and Eriksson, K.A.,
1995, Redoximorphic paleosols in alluvial
and lacustrine deposits, 1.8 Ga Lochness Formation, Mount Isa,
Australia:
Pedogenic processes and implications for paleoclimate: Journal of
Sedimentary Research, v. A65, p. 675-689.
Walker,
D.,
Simpson, E.L., Driese, S.G., 1994, Paleogeographic
influences
on sandstone
composition along an evolving passive margin: An example from the basal
Chilhowee Group (uppermost Proterozoic to Lower Cambrian) of the south
central
Appalachians: Journal of Sedimentary Research, A64, p. 807-814.
*Skoog,
S.Y.,
Venn,
C., and Simpson, E.L., 1994, Distribution
of Diopatra cuprea across modern tidal flats:
implications for
Skolithos: Palaios, v. 9, p. 188-201.
Eriksson,
K.A.,
Simpson, E.L., and Jackson, M.J., 1994,
Stratigraphic Evolution of a Proterozoic
synrift to post-rift basin, Constraints on nature of lithospheric
extension in
the Mount Isa Inlier, Australia, In: Steel, R., and Frostiak, L.,
eds.
Tectonics and Sedimentation International Association of
Sedimentologists
Special Publication No. 20, p. 203-221.
Loope,
D.B,
and Simpson, E.L., 1993, Reply -
Significance of thin sets of eolian
cross-strata: Journal of Sedimentary Petrology, v. 63, p. 1170-1171.
Eriksson,
K.A.,
and
Simpson, E.L., 1993, Siliciclastic
Braided-alluvial Sediments
Intercalated within Continental Flood Basalts in the Early to Middle
Proterozoic Mount Isa Inlier, Australia: In, Puigdefabregas, C.,
ed.
Alluvial Sedimentology, International Association of Sedimentologists
Special
Publication No 17, p. 473-488.
Simpson, E.L., and
Eriksson, K.A., 1993, Thin-bedded
eolianites interbedded within a fluvial and marine succession: Early
Proterozoic Whitworth Formation, Mount Isa Inlier, Australia:
Sedimentary
Geology, v. 87, p. 39-62.
Simpson, E.L., Walker,
D., and *Horsnall, S., 1993, Outer shelf
to lower shoreface sediments in the lower Cambrian Harpers Formation;
Chilhowee
Group, south-central Pennsylvania: Northeastern Geology, v. 15, p.
126-136.
Loope,
D.B,
and Simpson, E.L., 1992, Significance
of thin sets of eolian
cross-strata: Journal of Sedimentary Petrology, v. 62, p. 849-859.
Simpson, E.L., and
Eriksson, K.A., 1991, Depositional facies
and controls on parasequence development in siliciclastic tidal
deposits from
the Early Proterozoic upper Mount Guide Quartzite, Mount Isa Inlier,
Australia,
In, Smith, D.G., Reinson, G.E., Zaitlin, B.A., and Rahmani, R.A., Eds.,
Clastic
Tidal Sedimentology: Canadian Society of Petroleum Geologists Memoir
No. 16.,
371-387.
Simpson, E.L., 1991, An exhumed Lower
Cambrian tidal flat: The
Antietam Formation, central Virginia, U. S. A, In, Smith, D. G.,
Reinson,
G. E., Zaitlin, B. A., and Rahmani, R. A., Eds., Clastic Tidal
Sedimentology:
Canadian Society of Petroleum Geologists Memoir No. 16., p 123-134.
Jackson,
M.J.,
Simpson, E.L., and Eriksson, K.A.,
1990, Facies and sequence stratigraphic
analysis in an intracratonic, thermal-relaxation basin: The Early
Proterozoic,
lower Quilalar Formation and Ballara Quartzite, Mount Isa Inlier,
Australia:
Sedimentology, v. 37, p. 1053-1078.
Eriksson,
K.A.,
and
Simpson, E.L., 1990, Recognition of
high-frequency sea-level
fluctuations in Proterozoic siliciclastic tidal deposits, Mount Isa,
Australia:
Geology, v. 18, p. 474-477.
Simpson, E.L., and
Eriksson, K.A., 1990, Early Cambrian
progradational and transgressive sedimentation patterns in Virginia: an
example
of the early history of a passive margin: Journal of Sedimentary
Petrology
v. 60, p. 84-100.
Simpson, E.L., and
Eriksson, K.A., 1989, Rift to incipient
passive margin sedimentation, Late Proterozoic to Early Cambrian Unicoi
Formation, central and southern Virginia: Geological Society of
America
Bulletin, v. 101, p. 42-54.
Simpson, E.L., and
Sundberg, F.L., 1987, Early Cambrian age
for synrift deposits of the Chilhowee Group of southwestern Virginia:
Geology,
v.
15, p. 123-126.
Simpson, E.L., and
Loope, D.B., 1985, Amalgamated
interdune
deposits, White Sands, New Mexico:
Journal
of Sedimentary Petrology, v. 55,
p. 361-365.
Frantz, A. R., Simpson, E. L., and
Freudenberger,
D.
W., 2006, Journey into Anthracite, in Pazzaglia, F. J., ed., Excursions
in
Geology and History: Field trips in the Middle Atlantic States:
Geological
Society of America Field Guide 8, p. 239-247 doi:
10-1130/2006.fld008(13).
Rankin, D.,
Miller, J., and Simpson, E.L., 1994,
The Geology of the Mount Rogers Area,
southwestern Virginia Blue Ridge and Unaka Belt, in Schultz, A. and
Henika,
B., eds., Field guides to Southern Appalachian Structure, Stratigraphy
and
Engineering Geology: Guidebook to 1994 Southeastern Geological Society
of
America Meeting, Virginia Tech Department of Geological Sciences
Guidebook
Number 10, p. 127-176.
Walker, D., and Simpson, E.L.,
1991, Stratigraphy of Upper Proterozoic and Lower
Cambrian clastic rocks, southwestern Virginia and northeastern Tennessee,
in
Schultz,
A., and Compton-Gooding, E., eds. Geological evolution of the
eastern United States: Virginia Museum of Natural History Guidebook
Number 2,
p. 121-159.
Jackson, M.J., Simpson, E.L.,
and Eriksson, K.A.,
1989, Tides, Rifts, and Sequence
Stratigraphy at Mount Isa: Australian Bureau of Mineral Resources
Research
News, v. 10, p. 10-12.
Simpson, E.L., and
Eriksson, K.A., 1987, Constructional and
destructional facies sequences within the Early Cambrian Hampton and
Erwin
Formations Central and Southern Virginia: Appalachian Basin
Industrial
Associates, v. 12, p. 5-21.
Chambliss, C.R.,
*Butz, J.J., and *Simpson, E.L.,
1979, Photoelectric Minima of RZ
Cassiopeia: Information Bulletin on Variable Stars No. 1619,
Konokoly
Observatory, Budapest, Hungary.
Simpson, E.L., 1990,
1992, 1994, 1996, 1998, 2000, 2002, Laboratory
Manual for Paleontology.
Rowell, B.F.,
and Simpson, E.L., 1990-2000,
Environmental Geology.
Simpson, E.L., and Eriksson, K.A., 1990, Aeolian
and
fluvial interaction: The Early Proterozoic Whitworth
Formation, Mount Isa Inlier, Australia: 13th International
Association of
Sedimentologists Abstracts - Posters, Nottingham, England, p. 204.
Eriksson,
K.A.,
Simpson, E.L., and Jackson,
M.J., 1990, Stratigraphic evolution of a
Proterozoic thermal-relaxation basin Mount Isa Inlier, Australia:
Implications
for rift tectonics: 13th International Association of
Sedimentologists Abstracts
- Papers, Nottingham England, p. 155-156.
Simpson, E.L., and Eriksson, K.A., 1989, Depositional
Processes
and sea level control on sequence and
parasequence development in the early Cambrian Hampton and Erwin
Formations of
Virginia, U.S.A.: an example of the early history of a passive
margin: 28th International Geological
Congress
Abstracts, v. 3, p. 120-121.
Eriksson,
K.A.,
Jackson,
M.J., and Simpson, E.L.,
1989, Continental and shallow-marine
sedimentation in an intercratonic sag basin: The 1.75 Ga Qulalar
Formation,
Mount Isa Orogen, Queensland, Australia: 28th International
Geological
Congress Abstracts, v. 1, p. 456-457.
Eriksson,
K.A., Simpson, E.L., and Jackson,
M.J., 1988, Relative sea level
control on
sequence development: Examples from Cambrian and Middle Proterozoic
outcrops,
in Palaeogeography, Sea Level & Climate: 88 Bureau of Mineral
Resources
Research Symposium, Record No. 1988/42, p. 66-68.
Eriksson, K. A., and Simpson, E. L., 2010, Earth’s earliest terrigenous sedimentary environments: Evidence from the Barberton Greenstone Belt, South Africa and the Jack Hills Belt, Australia: in, Noffke, N. and Chafetz, G., Eds., SEPM Field Conference – Microbial mats in siliciclastic deposits (Archean to Today), p. 19.
Eriksson, K. A., and Simpson, E. L., 2002, Keynote: Precambrian Tidalites: Recognition and Significance: International Association of Sedimentologists, 16th International Sedimentological Congress, Rand Afrikaans University, Johannesburg, South Africa, p. 92.
Simpson, E. L., and Eriksson, K.A., 2002, Tidally modulated channel deposits: 3.2 Ga Moodies Group, South Africa: International Association of Sedimentologists, 16th International Sedimentological Congress, Rand Afrikaans University, Johannesburg, South Africa, p. 329.
Simpson, E.L., and Dilliard, K.A.,
2000, A sedimentologic perspective of the Neoproterozoic
to early Cambrian
clastics of the central Appalachians: rifting of Rodinia:
Geological
Society of America Abstracts with Programs, v. 32, no 1, A-74.
Simpson, E.L., and Walker, D., 1996, Tectonic
implications
of
variations in the Chilhowee Group of the Southern Appalachians:
Evidence for an upper to lower plate transition(?): Geological
Society of
America Abstracts with Programs, v. 28.,
no. 2, p. 43 - 44.
Barnaby,
R.J.,
and
Simpson, E.L., 1987, Evolution of
Early Cambrian passive margin,
southwestern Virginia: Geological Society of America Abstracts with
Programs, v. 19, p. 74.
Simpson, E.L., and
Eriksson, K.A., 1986, Wave- and
storm-dominated sedimentation in the Lower Cambrian Hampton
and Erwin Formations of the Chilhowee Group in central and southern
Virginia:
American Association of Petroleum Geologists Bulletin, v. 70, p. 648.
*Malenda, H. F., Simpson, E. L., Wizevich,
M. C., Tindall, S. E., and
Boling, K. S., 2010, Morphological
variation
and experimental compaction in the Colorado Plateau
biological soil crusts: Implications for their possible recognition in
the rock record [abs]:
Geological
Society of America - Denver Annual Meeting (31 October –3
November 2010), v. 42,
*Malenda, H. F., Simpson, E. L., Szajna, M.
C., Fillmore, D. L., and Hartline, B.W., 2010, Strandline
deposits
of the Salton Sea, California: An integrated analogue for
Triassic fish-part conglomerates of the Newark Basin [abs]: Geological Society
of America - Denver Annual Meeting (31 October –3 November 2010),
v.
42,
Lucas,
S.G.,
Mansky, C., Fillmore, D.L., Simpson, E.L., 2010,
Mississippian tetrapod footprint assemblages
from Pennsylvania and Nova Scotia and the oldest amniotes: Geological
Society
of
America Abstracts with Programs, v. 42.
Hilbert-Wolf, H.L., Simpson, E.L., Wizevich, M.C., Tindall, S.E. 2010. Identification of a tectonically controlled sequence boundary at the contact between the Upper Cretaceous Wahweap and Kaiparowits Formations: Geological Society of America Abstracts with Programs, v. 42.
Fillmore, D. L., Simpson, E. L., Szajna, M. J., Lucas, S. G., 2010, An example of Undichnia, the fish swimming trace from the Devonian Catskill Formation, Eastern Pennsylvania: Geological Society of America Abstracts with Programs, v. 42, no. 1, p. 64.
Malenda, H.F., Simpson, E.L., Szajna, M.J., Fillmore, D.L., Hartline, B.W., 2010. Depositional setting of fish-part sandstones and conglomerates: A taphonomic approach to the interpretation of a rare lacustrine strandline deposit” Journal of Vertebrate Paleontology.
Simpson, W.S., Simpson, E.L., Hilbert-Wolf, H.L., Tindall, S.E., Wizevich, M.C., 2010, A preserved Late Cretaceous biological soil crust in the capping sandstone member, Wahweap Formation, Grand Staircase-Escalante National Monument: Paleoclimate implications, in, Noffke, N. and Chafetz, G., Eds., SEPM Field Conference – Microbial mats in siliciclastic deposits (Archean to Today), p. 47.
Smith, C.J., Fillmore, D. L., Simpson, E. L., Lucas, S. G., 2010. Depth and density of bioturbation in channel deposits of the Mississippain-age Mauch Chunk deposits: Geological Society of America Abstracts with Programs, v. 42, no. 1, p. 65.
Storm, L., Needle, M. D., Smith, C. J., Fillmore, D. L., Szajna, M., Simpson, E. L., Lucas, S.G., 2010, A Mississippian vertebrate burrow?: Geological Society of America Abstracts with Programs, v. 42, no. 1, p. 65.
Fillmore, D. L., Simpson, E. L., Szajna, M. J., Lucas, S. G., 2010, The fish swimming trace Undichnia from the Devonian Catskill Formation, Eastern Pennsylvania: Geological Society of America Abstracts with Programs, v. 42, no. 1, p. 64.
Golder, K. B., Wizevich, M. C., Simpson, E. L., Storm, L. P., 2009. Oligocene ichnofossils in non-marine limestone of the Brian Head Formation, Utah: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 262.
Wizevich, M. C., Simpson, E. L., Hilbert-Wolf, H. L., Tindall, S. E., 2009, Syndepositional origin for internal laminations of spectacular seismogenic load structures in the Late Cretaceous Wahweap Formation, Grand Staircase-Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 121.
Hilbert-Wolf, H. L., Simpson, E. L., Wizevich, M. C., Tindall, S. E., 2009. Seismite Intensity Studies in the Wahweap Formation, southern Utah: Unraveling Syndepositional Fault Movements and the Differential Effects in the Hanging Wall and Footwall Blocks. Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 120-121.
*Smith, C. Moran, K. L., Fillmore, D. L., Simpson, E. L., Lucas, S.G., 2009, Taphonomic controls on the preservation of vertebrate tracks in ephemeral-braided river deposits of the middle and upper members of the Mississippian Mauch Formation, eastern Pennsylvania: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 119.
*Moran, K. L., Simpson, E. L., Hilbert-Wolf, H. L., Wizevich, M. C., Golder, K. B., Tindall, S. E., 2009, The recognition and implications of the wood-boring trace fossil Asthenopodichnium xylobiotum in Upper Cretaceous strata of Grand Staircase Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 262.
Fillmore, D. L., Lucas, S. G., Simpson, E. L., 2009, Invertebrate Trace Fossils in Semi-arid to Arid Braided-Ephemeral River Deposits of the Mississippian Middle Member of the Mauch Chunk Formation, Eastern Pennsylvania, USA: Geological Society of America Abstracts with Programs v. 41, no. 7, p. 261.
Fillmore, D. L., Lucas, S. G., Simpson, E. L., 2009, The fish swimming trace Undichnia from the Mississippian Mauch Chunk Formation, Eastern Pennsylvania: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 263.
Hilbert-Wolf,
H.
L.,
Simpson, E. L., Tindall, S. E.,
Wizevich, M. C., Simpson, W. S., *Bernard, J., 2009, Recognition
and
Implications of Seismites in the Upper Cretaceous
Wahweap Formation, Kaiparowits Basin, Utah: Grand
Staircase-Escalante
National Monument – Cretaceous Conference: Advances in Western Interior
Late
Cretaceous Paleontology and Geology Abstracts with Program, p. 24.
*Smith, C. J., Simpson, E. L., Fillmore, D., 2009, The first reported arthropod trackways from the Pennsylvanian Llewellyn Formation: Bear Valley Strip Mine, Shamokin, PA: Geological Society of America Abstracts with Programs, v. 41, no. 3, p. 88.
*Storm, L. P., Tindall, S. E., Simpson, E. L., Wizevich, M. C. 2008, Syntectonic sedimentation in the East Kaibab Monocline: Evidence for the timing of the onset of the Laramide deformation in south-central Utah: Geological Society of America Abstracts with Programs, v. 40, no. 1, p. 65.
Simpson, W. S., Simpson, E. L., Tindall, S. E., Wizevich, M. C., 2008, A preserved Late Cretaceous cryptobiotic soil in Grand Staircase-Escalante National Monument: Paleoclimate implications: Geological Society of America Abstracts with Programs, v. 40, no. 1, p. 40.
Wizevich, M. C., Simpson, E. L., Tindall, S. E., *Bernard, J., Wolf, H. L., Simpson, W. S., *Storm, L. P., and *Paese. S., 2008, Tectonic control on the alternating fluvial style in the Late Cretaceous upper member of the Wahweap Formation, Southern Utah: Geological Society of America Abstracts with Programs, v. 40, no. 1, p. 42.
Fillmore, D., Simpson, E. L., Lucas, S., 2008, Issac Lea’s original specimens of Palaeosaurpus (Sauropus) Primaevus, Geological Society of America Abstracts with Programs, v. 40, no. 2, p. 78.
Wolf, H. L., Simpson, E. L., *Storm, L. P., Tindall, S. E., Wizevich, M. C., Simpson, W. S., 2008, Implications of a sand volcano in the Late Cretaceous upper member of the Wahweap Formation: Geological Society of America Abstracts with Programs, v. 40, no. 1, p. 40.
Fillmore, D., Lucas, S., Simpson, E. L., 2007, Mississippian tetrapod footprints from the Mauch Chunk Formation of eastern Pennsylvania, USA, v. 27 Journal of Vertebrate Paleontology supplement to Number 3, p. 74A.
Lucas, S. G., Fillmore, D. L., and Simpson, E. L., 2007, Amphibian body impressions from the Mississippian Mauch Chunk Formation, Eastern Pennsylvania: Geological Society of America Abstracts with Programs, v. 38, No 6., p. 400.
Wolf, H. L., Tindall, S. E., Simpson, E. L., Simpson, W. S., *Bernard, J., *Jenesky, T., 2007, Proximal seismites in the Upper Cretaceous upper and capping sandstone members of the Wahweap Formation in Grand Staircase-Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 39, No. 6., p. 631.
Wolf, H. L., Simpson, W. S., Simpson, E. L., Tindall, S. E., 2007, Trends in Late Cretaceous seismites: upper and capping sandstone members, Wahweap Formation, Kaiparowits Basin, Utah: Geological Society of America Abstracts with Programs, v. 39, No. 6, p. 310.
Eriksson, P.G., Bumby, A. J., Eriksson, K.A., Simpson, E. L., Catuneanu, O., Claassen, M., Mtimkulul, M. N., Brumer, J.J., van der Neut, M., 2007, Palaeohydrological data from the c. 2.0-1.8 Ga Waterberg Group, South Africa: a possibly unique Palaeoproterozoic fluvial style. Geoforum 2007.
*Tester, E., Simpson, E. L., Wolf, H. L., Simpson, W. S., Tindall, S. E., *Bernard, J. J., *Jenesky, T. A., 2007, Isolated vertebrate tracks from the upper Cretaceous capping sandstone member of the Wahweap Formation: Grand Staircase – Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 39, No. 5., p. 42.
*Jenesky, T. A, Tindall, S. E., Simpson, E. L., 2007, Physical analog models of basement fault segmentation and monoclinal folding: Society of America Abstracts with Programs, v. 39, No. 5., p. 37.
Orsulak, M., Simpson, E. L., Wolf, H. L., Simpson, W. S., Tindall, S. E., *Bernard, J. J., *Jenesky, T. A., 2007, A lungfish burrow in Late Cretaceous upper capping sandstone member of the Wahwaep Formation Cockscomb area, Grand Staircase – Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 39, No. 5., p. 43.
*Bernard, J. J., Simpson, E. L., Wolf, H. L., Simpson, W. S., Tindall, S. E., *Jenesky, T. A., 2007, Possible debris flows in the upper Cretaceous capping sandstone, Wahweap Formation, Grand Staircase – Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 39, No. 5., p. 42.
Wolf, H. L., Simpson, E. L., *Bernard, J. J., Tindall, S. E., Simpson, W. S., *Jenesky, T. A., 2007, Sag Pond development at the upper and capping sandstone member contact, Upper Cretaceous Wahweap Formation, Grand Staircase – Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 39, No. 5., p. 12-13.
Fillmore, D. L., Simpson, E. L., and Lucas, S. G., 2006, An investigation of the Paleosauropus primarvus ichnofossil assemblage from the Mississippian Mauch Chunk Formation, Schuylkill County, Pennsylvania: Geological Society of America Abstracts with Programs, v. 38, No. 7, p. 436.
Simpson, E. L., Wolf. H., Simpson, W. S., Tindall, S. E. and *Jenesky, T., 2006, Eolian strata of the upper Cretaceous Capping Sandstone Member, Wahweap Formation, Cockscomb Area, Grand Staircase-Escalante National Monument, Utah: Grand Staircase-Escalante Research Symposium Cedar City, UT, p-3.
Wolf, H., Simpson, W. S, Simpson, E. L., Tindall, S. E., *Bernard., J. J., *Jenesky, T. A., *Orsulak, M., *Tester, E. W., 2006. Sleuthing epicenter direction from seismites: Cretaceous Wahweap Formation, Cockscomb Area, Grand Staircase-Escalante National Monument, Utah: Grand Staircase-Escalante Research Symposium Cedar City, UT, p-2
*Orsulak, M., *Tester, E., *Jenesky, T., *Bernard, J., Tindall, S. E., Simpson, E. L., Simpson, W. S., and Wolf, H., 2006, Effects of local faulting on sedimentation of the Late Cretaceous upper and capping sandstone members of the Wahweap Formation, Kaibab uplift, Utah: The 60th Annual Colleges Science Conference and The 17th Annual Saint Joseph’s University Sigma Xi Student Research Symposium, p. 127-128.
*Bernard, J., *Jenesky, T., *Tester, E., *Orsulak, M., Tindall, S. E., and Simpson, E. L. 2006, Timing of Late Cretaceous fault-fold interactions, East Kaibab monocline, Utah: Implications for the onset of Laramide deformation: The 60th Annual Colleges Science Conference and The 17th Annual Saint Joseph’s University Sigma Xi Student Research Symposium, p. 78.
*Bernard, J., *Jenesky, T., *Tester, E., *Orsulak, M., Tindall, S. E., and Simpson, E. L. 2006, Timing of Late Cretaceous fault-fold interactions, East Kaibab monocline, Utah: Implications for the onset of Laramide deformation: Geological Society of America Abstracts with Programs, v. 38, No. 6., p. 38.
*Orsulak, M., *Tester, E., *Jenesky, T., *Bernard, J., Tindall, S. E., Simpson, E. L., Simpson, W. S., and Wolf, H., 2006, Effects of local faulting on sedimentation of the Late Cretaceous upper and capping sandstone members of the Wahweap Formation, Kaibab uplift, Utah: Geological Society of America Abstracts with Programs, v. 38, No. 6., p. 33-34.
Wolf, H., Simpson, W. S, Simpson, E. L., Tindall, S. E., *Bernard., J. J., *Jenesky, T. A., *Orsilak, M., *Tester, E. W., 2006. Sleuthing epicenter direction from seismites: Cretaceous Wahweap Formation, Cockscomb Area, Grand Staircase-Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 38, No. 6., p. 6.
Simpson, E. L., Wolf. H., Simpson, W. S., Tindall, S. E. and *Jenesky, T., 2006, Eolian strata of the upper Cretaceoous Capping Sandstone Member, Wahweap Formation, Cockscomb Area, Grand Staircase-Escalante National Monument, Utah: Geological Society of America Abstracts with Programs, v. 38, no. 6., p. 6.
Fillmore, D. L., Simpson, E. L., and Lucas, S. G., 2006, Palaeosauropus primaevus: Dusting off old Mississippian footprtints: Geological Society of America Abstracts with Programs, v. 38, No 2, p. 65.
Lucas, S. G., Fillmore, D. L., and Simpson, E. L., 2006, Tetrapod footprint assemblage of the Mississippian Mauch Chunk Formation, Schuylkill County, Pennsylvania: Geological Society of America Abstracts with Programs, v. 38, No 2, p. 64.
Simpson, E. L., Lucas, S. G., and Fillmore, D. L., 2006, Depositional facies of the tetrapod footprint assemblage from the Mississippian Mauch Chunk Formation, Schuylkill County, Pennsylvania: Geological Society of America Abstracts with Programs, v. 38, No 2, p. 64-65.
*Jenesky, T. A., Tindall, S. E., *Scalise, R. L., Simpson, E. L., and Simpson, W. S., 2005, Seismogenic normal faulting during deposition of the Late Cretaceous Wahweap Formation, Kaiparowits Basin, Utah: Geological Society of America Abstracts with Programs, v. 37, No 6, p.
Simpson, W. S., *Rhoads, C. L., Simpson, E. L., Szajna, M.J., and Hartline, B. W., 2004, Depositional setting and taphonomy of fish-part conglomerates, Triassic Lockatong Formation, Collegeville, PA.: Geological Society of America Abstracts with Programs, v. 36. No. 5., p. 64.
Eriksson, K. A., and Simpson, E. L., 2004, Tidal facies in the Moodies Group, Barberton Greenstone Belt: Recognition and significance: In: Reimold, W. U., and Hofmann, A., (Comp.), Abstract Volume, Field Forum on Processes on the Early Earth, Kaapvaal Craton, 409 July, 2004, p. 29-31.
Simpson, E. L., and Eriksson, K. A., 2004, 3.2 Ga eolain deposits from the Moodies Group, Barberton Greenstone Belt, South Africa: Geoscience Africa 2004, Abstract Volume, University of Witwatersrand, Johannesburg, South Africa, p. 604.
Eriksson, K. A., Master, S., Henry, G., Simpson, E. L., 2004, Neoarchean (CA. 2.58 Ga) halite clasts in peritidal facies of the Black Reef-Chuniespoort transition Transvaal Supergroup, South Africa: Implications for palaeo-oceanic chemistry: Geoscience Africa 2004, Abstract Volume, University of Witwatersrand, Johannesburg, South Africa, p 195-196
Szajna, M. J., Hartline, B. W., and Simpson, E. L., 2004, Preliminary report on dinosaur tracks and associated fauna from the late Triassic Lockatong Formation near Collegeville, Pennsylvania: Geological Society of America Abstracts with Programs, v. 36, No. 2., p. 96.
*Nase, A. M., *Rhoads, C. L., Rosenberger, J. E., Szajna, M. J., Hartline, B. W., and Simpson, E. L., 2004, Depositional setting and taphonomy of phytosaur bearing beds, Triassic Lockatong Formation near Collegeville, PA: Geological Society of America Abstracts with Programs, v. 36, No. 2., p. 96.
*Fillmore, D. L., *Scalise, R. C., *Zellner, G. C., Simpson, E. L., 2004, Mississippian-age swimming tetrapod tackways from the Mauch Chunk Formation near Tamaqua, Pennsylvania: Geological Society of America Abstracts with Programs, v. 36, No. 2., p. 109.
Eriksson, K.A., Master, S. E., Henry, G., and Simpson, E.L., 2003, Neoarchean (c. 2.58) Halite casts in peritidal sediments of the Black Reef – Chuniespoort Group transition beds, Transvaal Supergroup (South Africa): Geological Society of America Abstracts with Programs, v. 35, No. 6., p. 600.
Noffke, N., Eriksson, K., Hazen, R., Nhleko, N., and Simpson, E. L., 2003, Microbially induced sedimentary structures – a new window in understanding early life: examples from Archean sandstones, South Africa: Geological Society of America Abstracts with Programs, v. 35, No. 6., p. 107.
Simpson, E. L., and Eriksson, K. A., 2003, 3.2 Ga eolian sand sheet deposits from the Moodies Group, Barberton Greenstone Belt, South Africa: Geological Society of America Abstracts with Programs, v. 35, No. 6., p. 505.
*Hopkins, R. F., Eriksson, K.
A., and Simpson, E. L., 2000, Annual
Cycles in Tidal Rhythmites: ~2.9 Ga Coronation Shale, West Rand Group,
South
Africa: Geological Society of America Abstracts with Programs, v.
32 No. 7,
p. A- 307.
*Kuklis, C. A., Eriksson, K. A.,
and Simpson, E. L., 2000, Quantification
of an Archean tidal record: Witwatersrand Supergroup, South Africa:
Geological Society of America Abstracts with Programs, v. 32 No. 7, p.
A- 307.
Eriksson,
K. A., and Simpson, E. L., 2000, Archean
Earth-Moon dynamics deduced from
tidalites in the 3.2 Ga Moodies Group, Barberton Greenstone Belt, South
Africa:
Geological Society of America Abstracts with
Programs, v. 32 No. 7, p. A- 307.
Simpson, E. L. and
*Dilliard, K. A.,
2000,
A sedimentologic
perspective of the Neoproterozic to Early Cambrian clastics of the
Central
Appalachians: rifting of Rodinia: Geological Society of America
Abstracts
with Programs, v. 32, No. 1, p A-74.
Eriksson,
P.G.,
Simpson, E.L., Eriksson, K.A., Bumby,
A.J., and Steyn, G.L., 1999, Roll-up
structures in the 1.8 Ga Waterberg Group, South Africa: Evidence from
Microbial
mats in an intracratonic desert setting: Geological Society of
America
Abstracts with Programs, v. 30, No. 7, p. 463-464.
Simpson,
E.L., *Kuklis, C.A., Eriksson, K.A., Eriksson, P.G., and Bumby,
A.J., 1999, Interbedded eolian dune, interdune and
playa deposits, ~1.8 Ga Makgabeng Formation, Waterberg Group, South
Africa:
Climatic implications: Geological Society of
America Abstracts with Programs, v. 30, No. 7, p. 284-285.
Eriksson, K.A., Simpson, E.L., Miller, D.J., and Adkins, R.M., 1999, Hierarchical bundling of tidal rhythmites: Implications for sedimentation rates, paleoclimates and lunar orbital shapes: EUG meeting, Frasburg, France.
Simpson, E.L., Eriksson,
K.A., Eriksson, P., and Bumby, A, 1999, Genesis
of massive sandstone interbedded with eolianites: the 1.8 Ga Makgabeng
Formation, South Africa: American Association of Petroleum
Geologists
Annual Convention Program, V. 8, p. A130.
*Higgins,
D.J.,
*Dilliard, K.A.,
Simpson, E.L., and
Rowell, B.F., 1998, Fluvial to marine
transition within the Lower Cambrian Hardyston Formation, Eastern
Pennsylvania:
Geological Society of America Abstracts with Programs, v. 30, No 7, A 335.
Simpson. E.L,
*Dilliard, K.A.,
and
*Noto, R.C., 1997, Contrasting
fluvial styles of the Catoctin and Weverton formations, central
Virginia:
Should hyperconcentrated flows be more common before the advent of land
plants?: Geological
Society of America Abstracts with
Programs, v. 29, A273.
*Dilliard, K.A.,
Simpson. E.L., and *Noto, R.C.,
1997, Characterization of the preserved
Neoproterozoic landsurface and associated Catoctin Formation fluvial
deposits,
Shenahdoah National Park, Virginia:, Geological Society of America
Abstracts with Programs, v. 29, A273.
*Dilliard, K.A.,
Simpson. E.L., and *Noto, R.C.,
1997, Characterization of fluvial systems
within the Neoproterozic Catoctin Formation, Northern Virginia:
Geological
Society of America Abstracts with Programs, v. 29, p. 13.
*Dilliard, K.A.,
and Simpson, E.L.,1997, Computer
simulation of superimposed trace
fossils: analogs for Cambrian-age Skolithos distributions: Geological Society of America Abstracts with
Programs, v. 29, p. 41
Simpson, E.L.,
*Summers, S.A., and *Jarosynski, W.M., 1996, The effect of
pure and simple shear deformation on clustered, random,
and uniform trace fossil distributions: uncertainty in the nearest
neighbor
technique results: Geological Society of America Abstracts with
Programs,
v. 28, p. 297.
*Gledhill,
H.M.,
*Noto,
R.C., *Harrison, M.J., *Dilliard, K.A.,
and Simpson, E.L., 1996, Characterization
of parasequences within the Neoproterozoic to Lower Cambrian upper
Unicoi
Formation, James River, Virginia: Geological Society of America
Abstracts with
Programs, v. 28, no. 2, p. 13.
Simpson, E.L.,
Bennington, J.B., *Harrison, M.J., *Gledhill, H.M., *Noto, R.C., and *Dilliard,
K.A., 1995, Quadrat variance analysis of
Lower Cambrian ichnofossil distribution across a sequence boundary,
central
Virginia: Geological Society of America Abstracts with Programs, v.
27. p.
A365.
Simpson, E.L., Walker,
D., *Noto, R.C., *Gledhill, H.M., and *Harrison, M.J., 1994, Process interpretation of tidal deposits
within the Neoproterozic to Lower Cambrian Unicoi Formation, Central
Blue Ridge
Virginia: Geological Society of America Abstracts with Programs v.
26, no.
7, p A-493.
*Barlet,
K.E.,
Venn,
C., *Zimmerman, R., and Simpson,
E.L., 1994, Migration and morphologic
evolution of an ebb-tidal delta shoal, Chincoteague inlet, Virginia:
Geological
Society
of America Abstracts with Programs v. 26, no. 4, p. 3.
*Harrison,
M.J.,
*Venn,
C., *Skoog, S.Y., *Gledhill, H.M., *Noto, R.C., and Simpson,
E.L., 1994, Nearest
neighbor analysis of Lower Cambrian Skolithos and Monocraterion
ichnofossils: Implications for preservation and sequence boundary
identification: Geological Society
of America Abstracts with Programs v. 26, no. 4, p. 18.
Eriksson,
K.A.,
Simpson,
E.L., Krogstad, E.J., McLennan, S.M., and Norman, M., 1994, Provenance
characterization of the
Appalachian clastic wedges from sandstone petrography and clast
compositions:
Geological Society of America Abstracts with Programs v. 26, no. 4, p.
12.
Krogstad,
E.J.,
McLennan,
S.M., Norman, M.D., Eriksson, K.A. and Simpson,
E.L., 1994, Trace
element and Nd-Pb isotope evolution of shales from the southern
Appalachian
orogenic belt: Geological Society of America Abstracts with
Programs v. 26,
no. 4, p. 23.
Simpson, E.L., Driese,
S.G., and Eriksson, K.A., 1993, 1.8 GA
Paleosols from the Lochness Formation, Mount Isa, Australia:
Paleoclimatic
Implications: Geological Society of America Abstracts with Programs
v. 25,
No. 6, p A-69.
Simpson, E.L., and
Walker, D., 1993, Sedimentologic and
Tectonic History of the Chilhowee Group: Tennessee and Virginia:
Geological
Society of America, v. 25, p. 70.
Simpson, E.L., Walker,
D. and Driese, S.G., 1992, Provenance
versus. Depositional Setting as influences on sandstone composition;
examples
from the Proterozoic to basal Cambrian of the southern Appalachians:
Geological
Society
of America Abstracts with Programs, v. 24, p. 59.
Walker,
D.,
Simpson, E. L., and Thomas, W.A., 1992,
Along-strike variation in sedimentary
basins of the southern Iapetean margin: A result of different plate
configurations: Geological Society
of America Abstracts with Programs, v. 24, p. 71.
Simpson, E.L., Walker,
D., and Kasselas, G., 1992, Sequence
Stratigraphic Framework of the Chilhowee Group:
Formation of an incipient passive margin in Virginia and
Tennessee: Geological Society of
America Abstracts with
Programs, v. 24, p. 64.
Simpson, E.L., Venn,
C., and *Skoog, S.Y., 1991, Statistical
studies on the distribution of Diopatra cuprea across
modern
tidal flats: Implications for the autecology of the Cambrian Skolithos
organism: Geological Society of
America Abstracts with programs, v. 23, p. A164
Loope,
D.B.,
and
Simpson, E.L., 1991, Significance of thin
sets of eolian
cross-strata: Geological Society of London/British Sedimentological
Research Group, Aberdeen, Scotland.
Simpson, E.L., and
Eriksson, K.A., 1991, Early Proterozoic
eolianites within a fluvial and marine succession: Whitworth Formation,
Mount
Isa Orogen, Australia: GAC/MAC
Program with Abstracts, v. 16, p. A115.
Patterson,
J.P.
and
Simpson, E.L., 1991, Paleoenvironmental
constraints on the
Chilhowee Group of the eastern Blue Ridge: Thoroughfare Gap, Virginia:
Geological
Society
of America Abstracts with Programs, v. 22, p. 113.
Simpson, E.L.,
*Linski, D., *Mull, M.F., *Keiser, J.P., *Horsnall, S.L., and
*Hendricks, J.S.,
1991, Depositional processes in
outer-shelf sediments of the Lower Cambrian Harpers Formation of the
Chilhowee Group,
south-central Pennsylvania: Geological Society of America Abstracts
with
Programs, v. 22, p. 127.
*Skoog,
S.,
Venn,
C., and Simpson, E.L., 1991, Three-dimensional
distribution
of Diopatra
cuprea from a modern tidal flat: Implications for the
distribution of
Skolithos in lower Cambrian rocks of Virginia: Geological Society
of
America Abstracts with Programs, v. 22, p. 129.
Loope,
D.B.,
and
Simpson, E.L., 1990, New interpretation of
Jurassic
dune/interdune deposits, Utah: Geological Society of America Annual
Abstracts with Programs, v. 21, p. 91.
Eriksson,
K.A.,
Simpson, E.L., and Jackson, M.J., 1990,
Stratigraphic evolution of a Proterozoic
rift to thermal-relaxation basin, Mount Isa Inlier, Australia:
Implications for
lithospheric extension: Geological Society of America Abstracts
with
Programs, v. 21, p. 369.
Simpson, E.L.,
Eriksson, K.A., and Jackson, M.J., 1989, Sequence
stratigraphy as a correlation tool for basin analysis in
nonfossiliferous
sedimentary basins: An early Proterozoic example from the Mount Isa
Inlier,
Australia, Geological Society of America abstracts with programs,
v. 20, p.
485-486.
Eriksson,
K.A.,
and
Simpson, E.L., 1989, Controls on
Development of cyclic
siliciclastic tidal deposits in the Proterozoic Mount Isa Orogen,
Australia:
Second International Research Symposium in Clastic Tidal Deposits
(modern and
ancient), Program and Abstracts, The University of Calgary, Calgary,
Canada, p.
30.
Simpson, E.L., and
Eriksson, K.A., 1989, Ebb- and
Flood-influenced, intertidal sedimentation within the Lower Cambrian
Antietam
Formation, Central Virginia: Second International Research
Symposium on
Clastic Tidal Deposits (modern and ancient), Program and Abstracts, The
University of Calgary, Calgary, Canada, p. 87.
Simpson, E.L., and
Eriksson, K.A., 1989, Tectonic controls
on the Chilhowee Group, southwestern Virginia: Geological Society
of
America Abstracts with Programs, v. 21 p. 58-59.
Simpson, E.L.,
Jackson, M.J., and Eriksson, K.A., 1988, Sealevel
controls on progradational and transgressive sequences in the 1.75 Ga
lower
Quilalar Formation, Mount Isa Orogen, Australia: Geological Society
of
America Abstracts with Programs, v. 20 p. 78.
Harris,
C.W.,
Simpson, E.L., Read, J.F., and
Eriksson, K. A. 1988, An allocyclic model
for fine-scale subdivision of prograding siliciclastic shelf sequences:
Society
of
Economic Paleontologists and Mineralogists Conference, Shelf
sedimentation: Events and rhythms, University of California at Santa
Cruz, v.
1, p. 22.
Simpson, E.L., and
Eriksson, K.A., 1988, Distal Alluvial Fan
to Outer Shelf Sedimentation within the Late Proterozoic to Early
Cambrian
Unicoi and Lower Hampton Formations, southern and central Virginia:
Geological Society of America Abstracts with Programs, v. 20, p. 315.
Simpson, E.L., and
Eriksson, K.A., 1987, Rift to incipient
passive-margin sedimentation within the Late Proterozoic to Early
Cambrian
Unicoi and Lower Hampton Formations, southern and central Virginia:
Geological Society of America Abstracts with Programs, v. 19, p. 846.
Simpson, E.L., and
Eriksson, K.A., 1987, Construction and
Destruction of progradational packages within the Early Cambrian
Hampton and
Erwin Formations: central and southern Virginia: Appalachian Basin
Industrial Associates Program Spring Meeting, p. 6-7.
Simpson, E.L., Harris,
C.W., Rowell, B., and Eriksson, K.A., 1986, Alluvial
to tidal-shelf transition within the lower Hardyston Formation of
eastern
Pennsylvania: Society of Economic Paleontologists and
Mineralogists,
Abstracts Annual Midyear Meeting, v. 3, p. 103.
Simpson, E.L., and
Eriksson, K. A., 1985, Paleoenvironmental
constraints provided by paleowave reconstructions: Early Cambrian
Chilhowee
Group drift-stage sedimentation in the central Appalachians:
Geological
Society of America, Abstracts with Programs, v. 17, p. 718.
Simpson, E.L., and
Loope, D.B., 1983, Preservability
of
dune
and interdune sediments, White Sands, New Mexico: Geological Society of
America, Abstracts with Programs, v. 15, p. 332.