Curriculum Vita: Rebecca J. Dorsey

Department of Earth Sciences
1272 University of Oregon
Eugene, OR 97403-1272
Voice: (541) 346-4431
Fax: (541) 346-4692
WWW: Dorsey's Home Page



Ph.D. Geology, Princeton University, Princeton, N.J.


M.A. Geology, Princeton University, Princeton, N.J.


B.Sc. Geology, Univ. of Vermont, Burlington (Magna Cum Laude)

Employment History:

2013 - 2016

Head, UO Department of Earth Sciences

2007 - present

Professor, University of Oregon

2000 - 2007

Associate Professor, University of Oregon

1997 - 2000:

Assistant Professor, University of Oregon

1996 - 1997:

Associate Professor, Northern Arizona University

1990 - 1996:

Assistant Professor, Northern Arizona University

1989 - 1990:

Postdoctoral Research Associate, University of Wyoming

Papers In Review:

  Oskin, M.E., Longinotti, N.E.*, Peryam, T.C.*,Dorsey, R.J., DeBoer, C.*, Housen, B.A., and Blisniuk, K.* (in review) Steady 10Be-derived paleo-erosion rates across the Plio-Pleistocene climate transition, Fish Creek-Vallecito basin, California. Submitted to Journal of Geophysical Research – Earth Surface, October 19, 2016.

McNabb, J.C.*, Dorsey, R.J., Housen, B.A., Messe, G.T.*, and Dimitroff, C.W.* (in review) Stratigraphic record of Pliocene-Pleistocene basin evolution and deformation within the southern San Andreas fault zone, Mecca Hills, California.  Submitted to Tectonophysics, July 30, 2016.

Link to Papers Related to Anza Borrego Desert State Park and Surrounding Regions

Papers Published and In Press:
2016 71. O'Connell*, B., Dorsey, R.J., and Humphreys, E.D. (2017) Tidal rhythmites in the southern Bouse Formation as evidence for post-Miocene uplift of the lower Colorado River corridor, Geology. Published online December 2016, doi: 10.1130/G38608.1.
  70. Dorsey, R.J., O’Connell, B., Homan, M., and Howard, K.A. (2016) Upper limestone of the southern Bouse Formation: evidence for unsteady origins of the Colorado River. In: Reynolds, R.E. (Ed.), 2016 Desert Symposium Field Guide and Proceedings, California State University Desert Studies Center, Zzyzx, CA, p. 145-153.

69. Fattaruso, L.A.*, Cooke, M.L., Dorsey, R.J., and Housen, B.A. (2016) Response of deformation patterns to reorganization of the southern San Andreas fault system since ca. 1.5 Ma. Tectonophysics, doi:10.1016/j.tecto.2016.05.035.

  68. Darin, M.H.*, Bennett, S.E.K., Dorsey, R.J., Oskin, M.E., and Iriondo, A. (2016) Late Miocene extension in coastal Sonora, Mexico: Implications for the evolution of dextral shear in the proto-Gulf of California. Tectonophysics,
  67. Bright, J.*, Cohen, A.S., Dettman, D.L., Pearthree, P.A., Dorsey, R.J. and Homan, M.B. (2016) Did a catastrophic lake spillover integrate the late Miocene early Pliocene Colorado River and the Gulf of California?: Microfaunal and stable isotope evidence from Blythe basin, California-Arizona, USA. Palaios, v. 31, p. 81-91.
  66. LaMaskin, T.A., Dorsey, R.J. (2016) Westward growth of Laurentia by pre-Late Jurassic terrane accretion, eastern Oregon and western Idaho, United States: A Reply. Journal of Geology, v. 124, 5 pages, doi: 10.1086/684120.


65. Dorsey, R.J., and Langenheim, V.E. (2015) Crustal-scale tilting of the central Salton block, southern California. Geosphere, v. 11, no. 5, 19 pages, doi:10.1130/GES01167.1.

  64. Kimbrough, D.L., Grove, M., Gehrels, G.E., Dorsey, R.J., Howard, K.A., Lovera, O., Aslan, A., House, P.K., and Pearthree, P.A. (2015) Detrital zircon U-Pb provenance record of the Colorado River: Implications for late Cenozoic drainage evolution of the American Southwest. Geosphere, v. 11, no. 6, 30 pages, doi:10.1130/GES00982.1.
  63. LaMaskin, T.A., Dorsey, R.J., Vervoort, J.D., Schmitz, M.D., Tumpane, K.P., and Moore, N.O. (2015) Westward growth of Laurentia via pre-Late Jurassic terrane accretion: Radioisotopic provenance and geochronology of the Coon Hollow Formation, eastern Oregon and western Idaho, USA. Journal of Geology, v. 123, p. 233-267.


62. Bennett, S.E.K., Oskin, M.E., Dorsey, R.J., Iriondo, A., and Kunk, M.J. (2015) Stratigraphy and structural development of the southwest Isla Tiburon marine basin: Implications for latest Miocene tectonic opening and flooding of the northern Gulf of California: Geosphere, v. 11, no. 4, doi: 10.1130/GES01153.1.


61. Crossey, L.J., Karlstrom, K.E., Dorsey, R.J., Pearce, J. Wan, E., Beard, L.S., Asmerom, Y., Polyak, V., Crow, R.S, Cohen, A., Bright, J,. and Pecha, M.E. (2015) Importance of groundwater in propagating downward integration of the 6-5 Ma Colorado River System: Geochemistry of springs, travertines and lacustrine carbonates of the Grand Canyon region over the past 12 Ma. Geosphere, v. 11, p. 660-682. doi:10.1130/GES01073.1.


60. Howard, K.A., House, P.K., Dorsey, R.J., and Pearthree, P.A. (2015) River-evolution and tectonic implications of a major Pliocene aggradation on the lower Colorado River, the Bullhead Alluvium. Geosphere, v. 11, p. 1-30.


59. Fattaruso, L.A.*, Cooke, M.L., and Dorsey, R.J. (2014) Sensitivity of uplift patterns to dip of the San Andreas fault in the Coachella Valley, CA, Geosphere, v. 10, p. 1235-1246.


58. Darin, M.H. and Dorsey, R.J. (2014) Geologic map of the Sierra Bacha, coastal Sonora, Mexico: Geological Society of America Digital Map and Chart Series 21, doi:10.1130/2014.DMCH021.


57. Dorsey, R.J., and Lazear, G. (2013) A Post 6-Ma Sediment Budget for the Colorado River. Geosphere, v. 9, No. 4, p.781-791.


56. Darin, M.H.*, and Dorsey, R.J. (2013) Reconciling disparate estimates of total offset on the southern San Andreas fault. Geology, v. 41 no. 9 p. 975-978.


55. Dorsey, R.J., Umhoefer, P.J., Oskin, M.E., and Arrowsmith, R. (2013) Rupturing continental lithosphere in the Gulf of California and Salton Trough. GeoPRISMS Newsletter, No. 16, p. 1-6.


54. Martin-Barajas, A., Gonzalez-Escobar, M., Fletcher, J.M. Pacheco, M., Oskin, M.E., Dorsey, R.J. (2013) Thick deltaic sedimentation and detachment faulting delay the onset of continental rupture in the Northern Gulf of California: Analysis of seismic reflection profiles. Tectonics, v. 32, p. 1294-1311.


53. Karlstrom, K.E., Lee, J., Kelley, S., Crow, R., Young, R.A., Lucchitta, I., Beard, L.S., Dorsey, R.J., Ricketts, J.W., Dickinson, W.R., Crossey, L. (2013) Technical Comment on: R. M. Flowers & K. A. Farley, Apatite 4He/3He and (U-Th)/He Evidence for an Ancient Grand Canyon. Science, v. 340, 143.


52. Dorsey, R.J., Axen, G.J., Peryam, T.C.*, and Kairouz, M.E.* (2012) Initiation of the southern Elsinore fault at ~1.2 Ma: Evidence from the Fish Creek – Vallecito Basin, southern California. Tectonics: v. 31, TC2006, doi:10.1029/2011TC003009.


51. Dorsey, R.J., and Umhoefer, P.J. (2012) Influence of sediment input and plate-motion obliquity on basin development along an active oblique-divergent plate boundary: Gulf of California and Salton Trough. In: Tectonics of Sedimentary Basins: Recent Advances (C. Busby and A. Azor, Editors), Blackwell Publishing, p. 209-225.


50. Dorsey, R.J. (2012) Earliest delivery of sediment from the Colorado River to the Salton Trough at 5.3 Ma: Evidence from Split Mountain Gorge. In: Reynolds, R.E. (ed.) Searching for the Pliocene: southern exposures. Proceedings of the 2012 Desert Symposium, p. 88-93.


49. Dorsey, R.J., Housen, B.A., Janecke, S.U., Fanning, C.M., and Spears, A.L.F.* (2011) Stratigraphic record of basin development within the San Andreas fault system: Late Cenozoic Fish Creek-Vallecito basin, southern California. Geological Society America Bulletin, v. 123, p. 771-793.


48. Peryam, T.C.*, Dorsey, R.J., and Bindeman, I. (2011) Plio-Pleistocene climate change and timing of Peninsular Ranges uplift in southern California: Evidence from paleosols and stable isotopes in the Fish Creek-Vallecito basin. Palaeogeography, Palaeoclimatology, Palaoecology. v. 305, p. 65-74.


47. LaMaskin, T.A.*, Vervoort, J.D., Dorsey, R.J., and Wright, J.E. (2011) Early Mesozoic paleogeography and tectonic evolution of the western United States: Insights from detrital zircon U-Pb geochronology of the Blue Mountains Province, northeastern Oregon. GSA Bulletin, v. 123, p. 1939-1965.


46. Dorsey, R.J. (2010) Sedimentation and crustal recycling along an active oblique-rift margin: Salton Trough and northern Gulf of California. Geology, v. 38, p. 443-446.


45. Janecke, S.U., Dorsey, R.J., Steely, A.N.*, Kirby, S.M.*, Lutz, A.T.*, Housen, B.A., Belgarde, B.*, Langenheim, V., Rittenour, T., and Forand, D.* (2010) High geologic slip rates since early Pleistocene initiation of the San Jacinto and San Felipe fault zones in the San Andreas fault system: Southern California, USA. Geological Society America Special Paper 475, 48 pp.


44. Janecke, S.U., Dorsey, R.J., and Belgarde, B.* (2010) Age and structure of the San Jacinto and San Felipe fault zones, and their lifetime slip rates. In Clifton, H.E., and Ingersoll, R.V., eds., Geologic excursions in California and Nevada: tectonics, stratigraphy and hydrogeology: Pacific Section, SEPM (Society for Sedimentary Geology), Upland, CA, Book 108., p. 233-271.


43. O’Connor, J.E., Dorsey, R.J., and Madin, I.P., editors (2009) Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest: Geological Society of America Field Guide 15, 874 pp.


42. LaMaskin, T.A.*, Schwartz, J.J., Dorsey, R.J., Snoke, A.W., Johnson, K., and Vervoort, J.D. (2009) Mesozoic sedimentation, magmatism, and tectonics in the Blue Mountains Province, northeastern Oregon, in O’Connor, J.E., Dorsey, R.J., and Madin, I.P., eds., Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest: Geological Society of America Field Guide 15, p. 187-202, doi: 10.1130/2009. fl d015(09).


41. Steely, A.N.*, Janecke, S.U., Dorsey, R.J., and Axen, G.J. (2009) Early Pleistocene initiation of the San Felipe fault zone, SW Salton Trough, during reorganization of the San Andreas fault system. Geological Society of America Bulletin, v. 121, p. 663-687.


40. Dorsey, R.J. and LaMaskin, T.A.* (2008) Mesozoic collision and accretion of oceanic terranes in the Blue Mountains province of northeastern Oregon: New insights from the stratigraphic record. . in Spencer, J.E., and Titley, S.R. (eds.), Circum-Pacific Tectonics, Geologic Evolution, and Ore Deposits: Arizona Geological Society Digest 22, p. 325-332.


39. LaMaskin, T.A., Dorsey, R.J., and Vervoort, J.D. (2008) Tectonic controls on mudrock geochemistry, Mesozoic rocks of eastern Oregon and western Idaho, U.S.A.: Implications for Cordilleran tectonics. Journal of Sedimentary Research, vol. 78, p. 765-783.


38. Dorsey, R.J. Fluette, A., McDougall, K.A., Housen, B.A., Janecke, S.U., Axen, G.J., and Shirvell, C.R. (2007) Chronology of Miocene-Pliocene deposits at Split Mountain Gorge, southern California: A record of regional tectonics and Colorado River evolution. Geololgy, v. 35, p. 57-60.


37. Dorsey, R.J., and LaMaskin, T.A. (2007) Stratigraphic record of Triassic-Jurassic collisional tectonics in the Blue Mountains Province, northeastern Oregon. American Journal of Science, vol. 307, p. 1167-1193.


36. Dorsey, R.J., and Lenegan, R.J. (2007) Structural controls on mid-Cretaceous sedimentation in the Toney Butte area of the Mitchell Inlier, Ochoco basin, central Oregon. GSA Special Paper: Convergent Margin Terranes and Associated Regions, Edited by M. Cloos, W.D. Carlson, M.C. Gilbert, J.G. Liou, and S.S. Sorensen. p. 97-115.


35. Kirby, S.M., Janecke, S.U., Dorsey, R.J., Housen, B.A., Langenheim, V., McDougall, K., and Steely, A.N. (2007) Pleistocene Brawley and Ocotillo formations: Evidence for initial strike-slip deformation along the San Felipe and San Jacinto fault zones, southern California. Journal of Geology, vol. 115, p. 43-62.


34. Dorsey, R.J. (2006) Stratigraphy, tectonics, and basin evolution in the Anza-Borrego Desert region. In: Jefferson, G.T. and Lindsay, L.E. (eds.) Fossil Treasures of Anza-Borrego Desert. Sunbelt Publications, San Diego, CA, p. 89-104.


33. Dorsey, R.J. and Roering, J.J. (2006) Quaternary landscape evolution in the San Jacinto fault zone, Peninsular Ranges of southern California: Transient response to strike-slip fault initiation. Geomorphology, v. 73(1-2), p. 16-32.


32. Dorsey, R.J. Castro, R., Fletcher, J., Lizarralde, D. and Umhoefer, P.J. (2006) Report on RCL-Cortez Workshop: Lithospheric Rupture in the Gulf of California – Salton Trough Region. MARGINS Newsletter, No. 16, p. 9-13.


31. Lutz, A.T., Dorsey, R.J., Housen, B.A., and Janecke, S.U. (2006) Stratigraphic record of Pleistocene faulting and basin evolution in the Borrego Badlands, San Jacinto fault zone, southern California. GSA Bulletin, v. 118, p. 1377-1397.


30. Housen, B. A. and Dorsey, R.J., (2005) Paleomagnetism and tectonic significance of Albian and Cenomanian turbidites, Ochoco Basin, Mitchell Inlier, central Oregon, Jour. Geoph. Research. vol. 110, B07102, doi:10.1029/2004JB003458


29. Dorsey, R.J. (2002) Stratigraphic record of Pleistocene initiation and slip on the Coyote Creek fault, lower Coyote Creek, southern California. In: Barth, A. (ed.) Contributions to Crustal Evolution of the Southwest United States: Boulder, Co. Geolgical Society of America Special Paper 365, p. 251-269.

28. Umhoefer, P.J., Mayer, L., and Dorsey, R.J. (2002) Evolution of the margin of the Gulf of California near Loreto, Baja California Peninsula, Mexico. Geological Society of America Bulletin, vol. 114, p. 849-868.



27. Dorsey, R.J., Umhoefer, P.J., Ingle, J.C., and Mayer, M. (2001) Late Miocene to Pliocene stratigraphic evolution of northeast Carmen Island, Gulf of California: implications for oblique-rifting tectonics. Sedimentary Geology, vol. 144, p. 97-123.

26. Umhoefer, P.J., Dorsey, R.J., Willsey, S., Mayer, L., and Renne, P. (2001) Stratigraphy and geochronology of the Comondú Group near Loreto, Baja California Sur, Mexico. Sedimentary Geology, vol. 144, p. 125-147.


25. Dorsey, R.J. and Umhoefer, P.J. (2000) Tectonic and eustatic controls on sequence stratigraphy of the Pliocene Loreto basin, Baja California Sur, Mexico.Geological Society of America Bulletin, v. 112, p. 177-199.


24. Dorsey, R.J. and Kidwell, S.M. (1999) Mixed carbonate-siliciclastic sedimentation on a tectonically active margin: Example from the Pliocene of Baja California Sur, Mexico. Geology, v. 27, p. 935-938.

23. Dorsey, R.J. and Martín-Barajas, A. (1999) Sedimentation and deformation in a Pliocene-Pleistocene transtensional supradetachment basin, Laguna Salada, Northwest Mexico. Basin Research, vol. 11, p. 205-222.

22. Dorsey, R.J. and Falk, P. (1999) Reply. Rapid development of gravelly high-density turbidity currents in marine Gilbert-type fan deltas, Loreto basin, Baja California Sur, Mexico. Sedimentology, v. 46, p. 763-767.


21. Falk, P. and Dorsey, R.J. (1998) Rapid development of gravelly high-density turbidity currents in marine Gilbert-type fan deltas, Loreto basin, Baja California Sur, Mexico. Sedimentology, vol. 45, p. 331-349.


20. Dorsey, R.J. (1997) Origin and significance of rhodolith-rich strata in the Punta el Bajo section, southeastern Pliocene Loreto basin. In, Johnson, M.E. and Ledesma-Vasquez, J. (eds.) Pliocene Carbonates and Related Facies Flanking the Gulf of California, Baja California, Mexico. G.S.A. Special Paper 318, p.119-126.

19. Dorsey, R.J. , Umhoefer, P.J., and Falk, P. (1997) Earthquake clustering inferred from Pliocene Gilbert-type fan deltas in the Loreto basin, Baja California Sur, Mexico. Geology, vol. 25, p. 679-682.

18. Dorsey, R.J., Stone, K.A., and Umhoefer, P.J. (1997) Stratigraphy, sedimentology, and tectonic development of the southeastern Loreto basin, Baja California Sur, Mexico. In, Johnson, M.E. and Ledesma-Vasquez, J. (eds.) Pliocene Carbonates and Related Facies Flanking the Gulf of California, Baja California, Mexico. Geological Society of America Special Paper 318, p.83-109.

17. Umhoefer, P.J. and Dorsey, R.J. (1997) Translation of terranes: A perspective from the central domain of Baja California, Mexico. Geology, vol. 25, p. 1007-1010.


16. Dorsey, R.J. and P. Roberts (1996) Evolution of the Miocene North Whipple Basin in the Aubrey Hills, western Arizona, upper plate of the Whipple detachment fault. In: Beratan, K.K. (ed.), Reconstructing the History of Basin and Range Extension Using Sedimentology and Stratigraphy, Geological Society of America Special Paper 303, p. 127-146.


15. Dorsey, R.J., Umhoefer, P.J., and Renne, P.R. (1995) Rapid subsidence and stacked Gilbert-type fan deltas, Pliocene Loreto Basin, Baja California Sur, Mexico. Sedimentary Geology, vol. 98, p. 181-204 .

14. Dorsey, R.J., and Becker, U. (1995) Evolution of a large Miocene growth structure in the upper plate of the Whipple detachment fault, northeastern Whipple Mountains, California.Basin Research, vol. 7, p. 151-163.

13. Bjerrum, C.J. and Dorsey, R.J. (1995) Tectonic controls on deposition of Middle Jurassic strata in a retroarc foreland basin, Utah-Idaho Trough, western interior, USA. Tectonics, vol. 14, p. 962-978.


12. Dorsey, R.J. and Burns, B.A. (1994) Regional stratigraphy, sedimentology and tectonic significance of Oligocene-Miocene sedimentary and volcanic rocks, northern Baja California, Mexico. Sedimentary Geology, vol. 88, p. 231-251.

11. Umhoefer, P.J., Dorsey, R.J., and Renne, P.R. (1994) Tectonics of the Pliocene Loreto basin, Baja California Sur, Mexico, and evolution of the Gulf of California. Geology, vol. 22, p. 649-652.


10. Dorsey, R.J. (1992) Collapse of the Luzon volcanic arc during onset of arc-continent collision: Evidence from a Mio-Pliocene unconformity, eastern Taiwan. Tectonics, vol. 11, p. 177-191.


9. Lundberg, N. and Dorsey, R.J. (1990) Rapid Quaternary emergence, uplift, and denudation of the Coastal Range, eastern Taiwan. Geology, vol. 18, p. 638-641.


8. Dorsey, R.J. (1988) Provenance evolution and unroofing history of a modern arc-continent collision: Evidence from petrography of Plio-Pleistocene sandstones, eastern Taiwan; Jour. Sedimentary Petrology, vol. 58, p. 208-218.

7. Dorsey, R.J., E.J. Buchovecky, and N. Lundberg (1988) Clay mineralogy of Pliocene-Pleistocene mudstones, eastern Taiwan: Combined effects of burial diagenesis and provenance unroofing. Geology, vol. 16, p. 944-947.

6. Dorsey, R.J. and N. Lundberg (1988) Lithofacies analysis and basin reconstruction of the Plio-Pleistocene collisional basin, Coastal Range of eastern Taiwan. Acta Geologica Taiwanica, No. 26, p. 57-132.

5. Lundberg, N., and Dorsey, R.J. (1988) Synorogenic sedimentation and subsidence in a Plio-Pleistocene collisional basin, eastern Taiwan. in Kleinspehn, K.L. and C. Paola (eds.), New Perspectives in Basin Analysis, Springer-Verlag, N.Y., p. 265-280.


4. Keller, G., T. Herbert, R.J. Dorsey, S. D'hondt, M. Johnsson, and W.R. Chi (1987) Global distribution of late Paleogene hiatuses. Geology, vol .15, p. 199-203.

3. Mehrtens, C.J. and R.J. Dorsey (1987) Stratigraphy and bedrock geology of the northwestern portion of the St. Albans Quadrangle and the adjacent Highgate Center Quadrangle, Vermont. Vermont Geological Survey, Spec. Bull. No. 9, 28 pp.


2. Dorsey, R.J. (1985) Petrography of Neogene sandstones from the Coastal Range of eastern Taiwan: Response to arc-continent collision. Petrol. Geol. Taiwan, vol. 21, p. 187-215.


1. Dorsey, R.J., Agnew, P.C., Carter, C.M., Rosencrantz, E.J., and Stanley, R.S. (1983) Bedrock geology of the Milton quadrangle, northwestern Vermont. Vermont Geological Survey Special Bulletin No. 3. 14 pages, 4 plates, map scales 1:62,500 and 1:24,000.

Externally Funded Grants:

National Science Foundation

Collaborative Reserarch: Late Cenozoic vertical crustal motions and erosional mass transfer in the southern San Andreas fault zone, Coachella Valley, California. $ 232,472, February 15, 2012 – January 31, 2016. Collaboration with Bernie Housen (WWU), Jim Spotila (Virginia Tech), and Michelle Cooke (U. Mass).

National Science Foundation

Reconstructions of the Gulf of California-Salton Trough Plate Boundary Since 14 Ma: A Digital Synthesis of Recent Advances and Outstanding Problems. $48,344, April 15, 2010 – March 31, 2012. Collaboration with Mike Oskin (U.C. Davis) and Paul Umhoefer (Northern Arizona University).

National Science Foundation

Collaborative Research: Testing the Role of Transtension in Continental Rupture: An Integrative Study of the Sonoran Margin and Tiburon Basin, Northern Gulf of California. $199,750, February 1, 2008 – January 31, 2011. Collaboration with Mike Oskin (U.C. Davis).

National Science Foundation

Collaborative Research: Timing and Controls on Plio-Pleistocene Erosion in the Eastern Peninsular Ranges, Southern California, a collaboration with Mike Oskin and Bernie Housen. This grant was funded in two stages: a 1-year pilot study ($150743, 2007-11). Collaboration with Mike Oskin (U.C. Davis) and Bernie Housen (Western Washington University).

National Science Foundation

Collaborative Research: Testing Models of Mesozoic Arc Collision and Accretion in the Northwest U.S. Cordillera, Eastern Oregon, Using Sedimentary Provenance and Basin Analysis. 2/1/2006 - 1/31/2009. Collaboration with Jeff Vervoort.

National Science Foundation

Collaborative Research: Late Cenozoic Detachment Faulting in the Western Salton Trough: Strain Partitioning in an Oblique Active-Margin Rift. 2/1/2002 - 1/31/2004. Collaboration with Gary Axen, Susanne Janecke, and Bernie Housen.

National Science Foundation

Quaternary to Recent Basin Development and Neotectonics of the Central San Jacinto Fault Zone, Southern California: 9/1/1998 - 8/31/2001.

American Chemical Society (PRF)

Stratigraphic Architecture of a Marine Half-Graben: Integrated Sedimentologic and Taphonomic Analysis of the Pliocene Loreto Basin, Baja California Sur, Mexico: 9/1/1996 - 8/31/1998. Collaboration with Susan Kidwell, University of Chicago

National Science Foundation

Active Tectonics of a Young Oblique-Rifted Continental Margin, Loreto Area, Baja California Sur, Mexico: 12/1/1995 - 11/30/1998. (in collaboration with Paul Umhoefer, NAU, and Larry Mayer, Miami University of Ohio)

American Chemical Society (PRF)

Miocene Basin Evolution, Upper Plate of the Whipple-Buckskin Detachment Fault, Southeastern California and Western Arizona. 9/1993 - 8/1996.

National Science Foundation

Tectonic and Stratigraphic Evolution of the Pliocene Loreto Basin, Baja California Sur: A Transform-Rift Basin. 1/1992 - 6/1994.

National Science Foundation

Miocene Sedimentation, Topography and Uplift History on the West Flank of the Proto-Gulf of California, Northern Baja California, Mexico. Funding Period: 7/1990 - 5/1992.

National Science Foundation

NSF Graduate Fellowship, support of dissertation research at Princeton University: 1984-1988.

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