Geology

Timothy (Tim) Paulsen, Ph.D.

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Education

Ph.D. 1997, Geology, University of Illinois at Urbana-Champaign

B.S.    1991, Geology, University of Wisconsin-Madison

Academic/Professional Appointments

2010-present    Professor, University of Wisconsin Oshkosh

2005-2010        Associate Professor, University of Wisconsin Oshkosh

1999-2005        Assistant Professor, University of Wisconsin Oshkosh

1998-2001        Ohio State University Adjunct Faculty

1998-1999        Senior Res. Assoc., Byrd Polar Research Center, Ohio State University

1997-1998        Byrd Postdoctoral Fellow, Ohio State University

Teaching/Research Awards

2017                 Elected GSA Fellow

2014                 UW Oshkosh Rosebush Professorship

2013                 UW Oshkosh Edward Penson Distinguished Teaching Award

2012                 UW Oshkosh Edward M. Penson Endowed Professorship

2006                 UW Oshkosh EAA/C.R. Meyer Endowed Professorship

1995                 GSA SG & T Division Outstanding Student Research Award

1995                 GSA Outstanding Student Research Award

1994                 University of Illinois Teaching Award

1994                 University of Illinois College of Letters and Sciences Teaching Award

1994                 University of Illinois Department of Geology Teaching Award

Courses Taught

• Introduction to Geologic Field Methods (140)

• Environmental Geology (150)

• Geophysics and Geotectonics (326)

• Structural Geology and Tectonics (331)

• Applied Geologic Field Methods (342; Black Hills, South Dakota)

• Spring Field Trip, (360; Big Bend National Park, Texas)

• Field Geology, aka Field Camp (344; Wasatch Mountains, Utah)

Professional Affiliations

• Geological Society of America

• American Geophysical Union

Research Interests

• Origin and evolution of Earth’s continents, oceans, atmosphere, and climate

• Convergent margin tectonics (around the explosion of life)

• Structural evolution of the West Antarctic rift system

• Contemporary stress state of Antarctica

• Structural evolution of the North American Cordillera

Publications (mostly peer-reviewed)

58. Craddock, J., Paulsen, T., Silva Schmitt, R., Johnston, S.T., Myrow, P.M., and Hughes, N.C., 2023, The amalgamation of Gondwana: calcite twinning and finite strains from the early-late Paleozoic Buzios, Ross, Kurgiakh and Gondwanide orogens. Geological Society, London, Special Publications, v. 531, https://doi.org/10.1144/SP531-2022-165.

57. Paulsen, T., Deering, C., Sliwinski, J., Chatterjee, S., and Bachmann, O., 2022, Continental Magmatism and Uplift as the Primary Driver for First-Order Oceanic 87Sr/86Sr Variability with Implications for Global Climate and Atmospheric Oxygenation. GSA Today, v. 32.

56. Paulsen, T., Deering, C., Sliwinski, J., Chatterjee, S., Bachmann, O., and Guillong, M., 2021, Crustal thickness, rift-drift, and potential links to key global events. Terra Nova, v. 33, 12-20.

55. Paulsen, T., Encarnación, J., Grunow, Valencia, V.A., Pecha, M., Benowitz, J., and Layer, P.M., 2021. New ages from the Shackleton Glacier area and their context in the regional tectonomagmatic evolution of the Ross orogen of Antarctica. International Geology Review, v. 63, 1596-1618.

54. Paulsen, T., Encarnación, J., Grunow, Stump, E., Pecha, M., and Valencia, V.A., 2018, Correlation and late-stage deformation of Liv Group volcanics in the Ross-Delamerian orogeny, Antarctica, from new U-Pb ages. Journal of Geology, v. 126, 307-323.

53. Paulsen, T., Deering, C., Sliwinski, J., Bachmann, O., and Guillong, M., 2017, Evidence for a spike in mantle carbon outgassing during the Ediacaran period. Nature Geoscience, v. 10, 930-934.

52. Paulsen, T., Deering, C., Sliwinski, J., Bachmann, O., and Guillong, M., 2017, New detrital zircon age and trace element evidence for 1450 Ma igneous zircon sources in East Antarctica. Precambrian Research, v. 300, 53–58.

51. Paulsen, T., Deering, C., Sliwinski, J., Valencia, V.A., Bachmann, O. and Guillong, M., 2017, Detrital zircon ages and trace element compositions of Permian-Triassic foreland basin strata of the Gondwanide orogen, Antarctica. Geosphere, v. 13, 2085-2093.

50. Paulsen, T.S., Deering, C., Sliwinski, J, Bachmann, O., and Guillong, M., 2016, A continental arc tempo discovered in the Pacific-Gondwana margin mudpile? Geology, v. 44, 915-918, doi:10.1130/G38189.1

49. Paulsen, T., Encarnación, J., Grunow, V., V.A., Pecha, M., 2016, Zircon U-Pb age constraints for a Cambrian age for metasedimentary rocks at O’Brien Peak, Antarctica: New Zealand Journal of Geology and Geophysics, v. 59, 592-597. http://dx.doi.org/10.1080/00288306.2016.1182033.

48. Paulsen, T.S., Deering, C., Sliwinski, J, Bachmann, O., and Guillong, M., 2016, Detrital zircon ages from the Ross Supergroup, north Victoria Land, Antarctica: Implications for the tectonostratigraphic evolution of the Pacific-Gondwana margin. Gondwana Research, v. 35, 79-96, doi: 10.1016/j.gr.2016.04.001.

47. Levy R, Harwood, D., Florindo, F., Sangiorgi, F., Tripati, R., Eynatten, H.v., Gasson, E., Kuhn, G., Tripati, A., DeConto, R., Fielding, C., Field, B., Golledge, N., McKay, R., Naish, T., Olney, M., Pollard, D., Schouten, S., Talarico, F., Warny, S., Willmott, V., Acton, G., Panter, K., Paulsen, T. Taviani, M., and SMS Science Team, 2016, Antarctic ice sheet sensitivity to atmospheric CO2 variations in the early to mid-Miocene. Proceedings of the National Academy of Sciences USA 113, 3453–3458.

46. Paulsen, T., Encarnación, J., Grunow, Valencia, V.A., Layer, P.M., Pecha, M., Stump, E., Thao, S., and Rasoazanamparany, C., 2015. Detrital mineral ages from the Ross Supergroup, Antarctica: Implications for the Queen Maud terrane and outboard sediment provenance on the Gondwana margin. Gondwana Research, v. 27. 377-391. doi:10.1016/j.gr.2013.10.006

45. Myrow, P.M., Hughes, N.C., Derry, L.A., McKenzie, N.R., Jiang, G., Alexander, A., Webb, G., Banerjee, D.M., Paulsen, T.S., Singh, B.P., 2015. Neogene marine isotopic evolution and the erosion of Lesser Himalayan strata: Implications for Cenozoic tectonic history. Earth and Planetary Science Letters, v. 417, 142-150.

44. Paulsen, T., Wilson, T.J., Demosthenous, C., Millan, C., Jarrard, R., and Laufer, A., 2014. Kinematics of the Neogene Terror Rift: Constraints from calcite twinning strains in the ANDRILL McMurdo Ice Shelf (AND-1B) core, Victoria Land basin, Antarctica. Geosphere,v. 10, 1-14.

43. Paulsen, T., Encarnación, J., Grunow, Valencia, V.A., Pecha, M., Layer, P.M., and Rasoazanamparany, C., 2013. Age and significance of ‘outboard’ high-grade metamorphics and intrusives of the Ross orogen, Antarctica. Gondwana Research, v. 24, doi: 10.1016/j.gr.2012.10.004

42. Wilson, G.S., Levy, R.H., Naish, T.R., Powell, R.D., Florindo, F., Ohneiser, C., Sagnotti, L., Winter, D.M., Cody, R., Henrys, S., Ross, J., Krissek, L., Niessen, F., Pompillio, M., Scherer, R., Alloway, B.V., Barrett, P.J., Brachfeld, S., Browne, G., Carter, L., Cowan, E., Crampton, J., DeConto, R.M., Dunbar, G., Dunbar, N., Dunbar, R., von Eynatten, H., Gebhardt, C., Giorgetti, G., Graham, I., Hannah, M., Hansaraj, D., Harwood, D.M., Hinnov, L., Jarrard, R.D., Joseph, L., Kominz, M., Kuhn. G., Kyle, P., Läufer, A., McIntosh, W.C., McKay, R., Maffioli, P., Magens, D., Millan, C., Monien, D., Morin, R., Paulsen, T., Persicoa, D., Pollard, D., Raine, J.I., Riesselman, C., Sandroni, S., Schmitta, D., Sjunneskoga, C., Strong, C.P., Talarico, F., Taviani, M., Villaa, G., Vogel, S., Wilch, T., Williams, T., Wilson, T.J., Wise, S., 2012. Neogene tectonic and climatic evolution of the Western Ross Sea, Antarctica-Chronology of events from the AND-1B drill hole. Global and Planetary Change, v. 96-97, 189-203.

41. Schmitt, D.R., Wilson, T.J., Jarrard, R.D., Paulsen, T.S., Pierdominici, S., Handwerger, D., and Wonik, T., 2012. Wireline hydraulic fracturing stress determinations in the ANDRILL South McMurdo Sound Drill Hole. American Rock Mechanics Association, AMRA 12-168.

40. Schröder, H., Paulsen, T., and Wonik, T., 2011. Thermal properties of the AND-2A borehole in the southern Victoria Land Basin, McMurdo Sound, Antarctica. Geosphere, v. 7, doi:10.1130/GES00690.1

39. Paulsen, T., Encarnación, J., Valencia, V.A., Roti Roti, J., and Rasoazanamparany, C., 2011. Detrital U-Pb zircon analysis of an Eocene McMurdo Erratic sandstone, McMurdo Sound, Antarctica. New Zealand Journal of Geology and Geophysics, v. 54, 354-360.

38. Paulsen, T.S., and Wilson, T.J., 2010, Evolution of Neogene volcanism and stress patterns in the glaciated West Antarctic Rift, Marie Byrd Land, Antarctica. Journal of the Geological Society, v. 167, 401-416.

37. Paulsen, T.S., and Wilson, T.J., 2009, New criteria for systematic mapping and reliability assessment of monogenetic volcanic vent alignments and elongate volcanic vents for crustal stress analyses. Tectonophysics, v. 482, 16-28, doi:10.1016/j.tecto.2009.08.025.

36. Paulsen, T.S., and Wilson, T.J., 2009, Structure and age of volcanic fissures on Mount Morning: A new constraint on Neogene to contemporary stress in the West Antarctic Rift, southern Victoria Land, Antarctica. Geological Society of America Bulletin, v. 121, 1071-1088.

35. Torsvik, T.H., Paulsen, T.S., Hughes, N.C., Myrow, P.M., and GanerØd, M., 2009, The Tethyan Himalaya: palaeogeographical and tectonic constraints from Ordovician palaeomagnetic data. Journal of the Geological Society, v. 166, 679-687.

34. Naish, T., R. Powell, R. Levy, G. Wilson, R. Scherer, F. Talarico, L. Krissek, F. Niessen, M. Pompilio, T. Wilson, L. Carter, R. DeConto, P. Huybers, R. McKay, D. Pollard, J. Ross, D. Winter, P. Barrett, G. Browne, R. Cody, E. Cowan, J. Crampton, G. Dunbar, N. Dunbar, F. Florindo, C. Gebhardt, I. Graham, M. Hannah, D. Hansaraj, D. Harwood, D. Helling, S. Henrys, L. Hinnov, G. Kuhn, P. Kyle, A. Läufer, P. Maffioli, D. Magens, K. Mandernack, W. McIntosh, C. Millan, R. Morin, C. Ohneiser, T. Paulsen, D. Persico, I. Raine, J. Reed, C. Riesselman, L. Sagnotti, D. Schmitt, C. Sjunneskog, P. Strong, M. Taviani, S. Vogel, T. Wilch & T. Williams, 2009, Obliquity-paced Pliocene West Antarctic ice sheet oscillations. Nature, v. 458, 322-328.

33. Paulsen, T.S., Encarnación, J., Grunow, A., Valencia, V.A., and Rasoazanamparany, C., 2008, Late Sinistral Shearing along Gondwana’s Paleo-Pacific Margin in the Ross Orogen, Antarctica: New Structure and Age Data from the O’Brien Peak Area. Journal of Geology, v. 116, p. 303-312.

32. Paulsen, T.S., Encarnación, J., Grunow, A., Layer, P.M., and Watkeys, M., 2007, New age constraints for a short pulse in Ross orogen deformation triggered by East-West Gondwana suturing. Gondwana Research, v. 12, 417-427, doi:10.1016/j.gr.2007.05.011.

31. Paulsen, T.S., Demosthenous, C.M., Myrow, P.M., Hughes, N.C., and Parcha, S.K., 2007, Paleostrain stratigraphic analysis of calcite twins across the Cambrian-Ordovician unconformity in the Tethyan Himalaya, Spiti and Zanskar valley regions, India: Journal of Asian Earth Sciences, v. 31, 44-54.

30. Paulsen, T.S., and Wilson, T.J., 2007, Elongate summit calderas as Neogene paleostress indicators in Antarctica, in Cooper, A.K., et al., eds., Antarctica: A Keystone in a Changing World – Online Proceedings of the 10th ISAES, USGS Open-File Report 2007-1047, Short Research Paper 072, doi:10.3133/of2007-1047.srp072.

29. Millan, C., Wilson, T., and Paulsen, T., 2007, Microstructural study of natural fractures in Cape Roberts Project 3 core, Western Ross Sea, Antarctica, in Cooper, A.K., et al., eds., Antarctica: A Keystone in a Changing World – Online Proceedings of the 10th ISAES, USGS Open-File Report 2007-1047, Short Research Paper 053; doi:10.3133/of2007-1047.srp053.

28. Myrow, P.M., Thompson, K.R., Hughes, N.C., Paulsen, T.S., Sell, B.K., and Parcha, S.K., 2006, Cambrian stratigraphy and depositional history of the northern Indian Himalaya, Spiti Valley, north-central India: Geological Society of America Bulletin, v. 118, 491-510.

27. Myrow, P.M., Snell, K.E., Hughes, N.C., Paulsen, T.S., Heim, N.A., and Parcha, S.K., 2006, Cambrian depositional history of the Zanskar Valley region of the Indian Himalaya: Tectonic implications: Journal of Sedimentary Research, v. 76, 364-381.

26. Csatho, B., Schenk, T., Krabill, W., Wilson, T., Hallam, C., Lyons, B., Manizade, S., McKenzie, G., and Paulsen, T., 2005. Airborne Laser Scanning for high-resolution mapping of polar environments in Antarctica. EOS, v. 86, no. 25, 237-238.

25. Paulsen, T., Encarnacion, J., Grunow, A., 2004, Structure and timing of transpressional deformation in the Shackleton Glacier area, Ross orogen, Antarctica. Journal of the Geological Society. v. 161, 1027-1038.

24. Paulsen, T., and Wilson, T., 2004, Subglacial Bedrock Structure in the Transantarctic Mountains and its Influence on Ice Sheet Flow:  Insights from RADARSAT SAR Imagery. Global and Planetary Change, v. 42, 227-240.

23. Myrow, P.M., Hughes, N.C., Paulsen, T.S., Williams, I., Parcha, S.K., Thompson, K.R., Bowring, S.A., Peng, S.-C., and Ahluwalia, A.D., 2003, Integrated tectonostratigraphic analysis of the Himalaya and implications for its tectonic reconstruction. Earth and Planetary Science Letters, v. 212, 433-441.

22. Paulsen, T., Jarrard, R., and Wilson, T., 2002, A simple method for orienting drill core by correlating features in whole-core scans and oriented borehole-wall imagery, Journal of Structural Geology, v. 24, 1233-1238.

21. Wilson, T., and Paulsen, T., 2001, Fault and Fracture patterns in the CRP-3 core, Victoria Land Basin, Antarctica, Terra Antartica, v. 8, 177-196.

20. Jarrard, R., Paulsen, T., and Wilson, T., 2001, Orientation of CRP3 core, Terra Antartica, v. 8, 161-166.

19. Jarrard, R. D., Bücker, C., Wilson, T., & Paulsen, T., 2001, Bedding dips from the CRP-3 drillhole, Victoria Land Basin, Antarctica, Terra Antartica v. 8, 167-176.

18. Jarrard, R. D., Moos, D., Wilson, T., Bücker, C. B., and Paulsen, T., 2001, Stress patterns observed by borehole televiewer logging of the CRP-3 drillhole, Victoria Land Basin, Antarctica, Terra Antartica, v. 8, 197-204.

17. Paulsen, T., Wilson, T., Moos, D., Jarrard, R., and Wilson, G., 2000, Orientation of CRP2A core, Terra Antartica, v. 7, 271-278.

16. Wilson, T., and Paulsen, T., 2000, Constraints on Neogene-Quaternary stress regime from CRP-2/2A fracture arrays, Terra Antartica, v. 7, 287-298.

15. Moos, D., Jarrard, R., Paulsen, T., Scholz, E., and Wilson, T., 2000, Acoustic Borehole Televiewer (BHTV) results from the CRP2A core hole, Terra Antartica, v. 7, 279-286.

14. Jarrard, R., Brink, J.D., Wonik, C., Bucker, T., Wilson, T., and Paulsen, T., 2000, Bedding dips in the CRP2A drillhole, Victoria Land basin, Antarctica, Terra Antartica, v. 7, 261-270.

13. Paulsen, T., and Marshak, S., 1999, Origin of the Uinta Recess in the Sevier fold-thrust belt, Utah: Influence of basin architecture on fold-thrust belt geometry, Tectonophysics, v. 312, 203-216.

12. Paulsen, T., and Wilson, G., 1998, Orientation of CRP-1 core, Terra Antarctica, v. 5, 319-325.

11. Wilson, T. and Paulsen, T., 1998, Constraints on Neogene-Quaternary stress regime from CRP-1 fracture arrays, Terra Antarctica, v. 5, 327-335.

10. Passchier, S., Wilson, T., and Paulsen, T., 1998, Breccias in Miocene Strata, CRP-1 Core, Terra Antarctica, , 5, 3, 401-409.

9. Paulsen, T., and Wilson, T.J., 1998, Declassified Intelligence Satellite Photographs (DISP) Provide First High-Resolution Space-borne Views of the Transantarctic Mountains in the Antarctic Interior, EOS, v. 79, no. 8, p. 97&107; & EOS, v. 79, no. 10, p. 125.

8. Paulsen, T. and Wilson, T.J., 1998, Declassified Satellite Photos Provide First Views of Southern Transantarctic Mountains, Earth in Space, v. 10, no. 8, 11-14.

7. Paulsen, T., and Marshak, S., 1998, Structure of the Charleston transverse zone, Wasatch Mountains, Utah: Tectonic evolution of the northern margin of the Provo salient in the Sevier fold-thrust belt, Geological Society of America Bulletin, v. 110, no. 4, 512-522.

6. Paulsen, T., and Marshak, S., 1997, Structure of the Mount Raymond transverse zone at the southern margin of the Wyoming salient in the Sevier fold-thrust belt Utah, Tectonophysics, v. 280, 199-211.

5. Grunow, A.M., Encarnacion, J., Paulsen, T., and Rowell, A.J., 1998, New geologic constraints on basement rocks from the Shackleton glacier region, Antarctic Journal-Review, v. 31, no. 2, 18-19.

4. Marshak, S., and Paulsen, T., 1997, Structural style, regional distribution, and seismic implications of Midcontinent fault-and-fold zones, United States, Seismological Research Letters, v. 68, 511-520.

3. Marshak, S., and Paulsen, T., 1996, Midcontinent Fault and Fold Zones, USA: A Legacy of Proterozoic Intracratonic Extensional Tectonism?, Geology, v. 24, 151-154.

2. Paulsen, T., and Marshak, S., 1994, Cratonic weak zone in the U.S. continental interior:  The Dakota-Carolina corridor, Geology, v. 22, 15-18.

1. Marshak, S., Bonatti, E., Brueckner, H., and Paulsen, T., 1992, Fracture zone tectonics at Zabargad island (Egypt), Tectonophysics, v. 216, 379-385.

Non-Refereed Reports

Paulsen, T., Millan, C.. Pierdominici, S., Wilson, T., Drew, S., and the ANDRILL-SMS Science Team, 2008-2009, Fracture logging of the AND-2A core, ANDRILL, Southern McMurdo Sound Project, Antarctica, Terra Antartica, 15(1/2), 69-76.

Wonik, T., Grelle, T., Handwerger, D., Jarrard, R.D., McKee, A., Patterson, T., Paulsen, T., Pierdominici, S., Schmitt, D.R., Shroder, H., Speece, M., Wilson, T., and the ANDRILL-SMS Science Team, 2008-2009, Downhole measurements in the AND-2A borehole, ANDRILL, Southern McMurdo Sound Project, Antarctica, Terra Antartica, 15(1/2), 57-68.

Florindo, F., Harwood, D., and Levy, R., with contributions from Acton, R., Fielding, C., Panter, K., Paulsen, T., Talarico, F., Taviani, M., and the ANDRILL-SMS Science Team, 2008-2009, Explanatory notes for the ANDRILL, Southern McMurdo Sound Project, Antarctica, Terra Antartica, 15(1/2), 51-39.

Wilson, T., Paulsen, T., Läufer, A., and Millan, C., 2007, Fracture logging of the AND-1B core, McMurdo Ice Shelf Project, Antarctica: Terra Antartica, v. 14, 10 p.

Cape Roberts Science Team, 2000, Fracture Arrays in the CRP-3 Core (Wilson, T., Paulsen, T.), 2000, in:  Barrett, P.J., Fielding, C., and Wise, S.W. (eds), Initial Report on CRP-3, Cape Roberts Project, Antarctica, Terra Antarctica, v. 7, no. 1, p. 19-25.

Cape Roberts Science Team, 1999, Fracture Arrays in the CRP-2/2A Core (Wilson, T., Paulsen, T.), in:  Barrett, P.J., Fielding, C., and Wise, S.W. (eds), Initial Report on CRP-2/2A, Cape Roberts Project, Antarctica, Terra Antarctica, V. 6, no. 1, p. 27-32.

Cape Roberts Science Team: Fracture Arrays in the CRP-1 Core (Wilson, T., Paulsen, T.), 1997, in:  Barrett, P.J., Fielding, C., and Wise, S.W. (eds), Initial Report on CRP-1, Cape Roberts Project, Antarctica, Terra Antarctica, 5: 11-15.