Ph.D., Columbia University, 1983
M.S. University of Arizona, 1979
A.B. Cornell University, 1976
2008-..................Director, School of Earth, Society, and Environment
2007-2008..........Visitor: USGS Woods Hole; Federal Univ. of Ouro Preto; Univ.
of Lausanne; Univ. of Naples (sabbatical)
1999-2007..........Head, Department of Geology, University of Illinois
1999...................Honorary Visiting Fellow, University of Leicester, UK
1997-..................Professor, (structure, tectonics, field geology), University
of Illinois
1989-1997..........Associate Professor, University of Illinois
1992...................Visiting Research Academic, University of Adelaide,
Australia (sabbatical)
1991...................Visiting Research Associate, Lamont-Doherty Geological
Observatory
1990-..................Instructional Staff, Wasatch-Uinta Geological Field
Camp, Utah
1985-1996,06.....Visiting Professor (geotectonics), Federal University of Ouro
Preto, Brazil
1983-89 .............Assistant Professor, University of Illinois
Dr. Marshak's research interests involve three topics: Proterozoic tectonic evolution of the Brazilian shield (involving field studies in Brazil), Phanerozoic tectonism in midcontinent North America, structural geology of fold-thrust belts (particularly the formation of map-view curves).
Alkmim, F.F., Marshak, S., Pedrosa-Soares, A.C., Peres, G.G., Cruz, S.C., and Whittington, A., 2006, Kinematic evolution of the Araçuaí - West Congo orogen in Brazil and Africa: Nutcracker tectonics during the Neoproterozoic assembly of Gondwana: Precambrian Research, v. 149, p. 43-64.
Holbrook, J., Autin, W.J., Rittenour, T.M., Marshak, S., and Goble, R.J., 2006, A casae for millennial-scale temporaral clustering on a continental-interior fault from Mississippi River Holocene strata of the New Madrid seismic zone: Tectonophysics.
Marshak, S., Alkmim, F.F., Whittington, A., and Pedrosa-Soares, A.C., in review., Extensional collapse in the Neoproterozoic Araçuaí Orogen, eastern Brazil: a setting for reactivation of asymmetric crenulation cleavage crenulation cleavage. Journal of Structural Geology, v. 28, p. 129-147.
Harrison, M., Marshak, S., and McBride, J., 2004 The Lackawanna synclinorium, Pennsylvania: a basement-controlled salt-collapse structure, partially modified by thin-skinned folding: Geological Society of America Bulletin, v. 116, p. 1499-1514.
Tinkham, D.K., and Marshak, S., 2004, Precambrian dome-and-keel structure in the Penokean orogen near Republic, Upper Peninsula of Michigan: (in) Whitney, D.L., Teyssier, C., and Siddoway, C.S., (eds.) Gneiss Domes in Orogeny: Geological Society of America Special Paper 380, p. 321-338.
Marshak, S., 2004, Arcs, Oroclines, Salients, and Syntaxes -- The origin of map-view curvature in fold-thrust belts: (in) McClay, K.R., (ed.), Thrust Tectonics and Petroleum Systems: Am. Assoc. of Petroleum Geologists Memoir 82, p. 131-156.
Harrison, M., Marshak, S., and Onasch, C., 2004, Stratigraphic control of hot fluids on anthracitization, Lackawanna synclinorium, Pennsylvania: Tectonophysics, v. 378, p. 85-103.
Marshak, S., Nelson, W.J., and McBride, J., 2003, Strike-Slip faulting in the Continental Interior of North America: in Storty, F., Holdsworth, R.E., and Salvine, F. (eds.)., Intraplate Strike-Slip Deformation Belts, Geological Society of London, Special Publication 210, p. 171-196.
Alkmim, F.F., Marshak, S., and Fonseca, M.A., 2001, Assembling West Gondwana in the Neoproterozoic: Clues from the São Francisco craton region, Brazil: Geology, v. 29, p. 319-322.
Marshak, S., Karlstrom, K., and Timmons, J.M., 2000, Inversion of Proterozoic extensional faults: An explanation for the pattern of Laramide and Ancestral Rockies intracratonic deformation, United States: Geology, v. 28, p. 735-738.
Brueckner, H.K., Cunningham, W.D., Alkmim, F.F., and Marshak, S.,2000, Tectonic Implications of Precambrian Sm-Nd dates from the southern São Francisco craton and adjacent Araçuaí and Ribeira Belts, Brazil: Precambrian Research, v. 99, p. 255-269
Macedo, J., and Marshak, S., 1999, The geometry of fold-thrust belt salients: Geological Society of America Bulletin, v. 111, p. 1808-1822.
Paulsen, T., and Marshak, S., 1999, Origin of the Uinta recess, Sevier fold-thrust belt, Utah: influence of basin architecture on fold-thrust belt geometry: Tectonophysics, v. 312, p. 203-216.
Marshak, S., 1999, Deformation style way back when: Thoughts on the contrasts between Archean/ Paleoproterozoic orogens and modern ones: Journal of Structural Geology, 20 th anniversary issue, v. 21, p. 1175-1182.
Cunningham, W.D., Marshak, S., and Alkmim, F.F., 1999, Proterozoic-present tectonism in the Ribeira belt, along the eastern margin of the São Francisco craton, Brazilian Highlands: The mid- to lower-crustal roots of a polyphase orogen: Precambrian Research.
Marshak, S., Tinkham, D., Alkmim, F.F., Brueckner, H., Bornhorst, T., 1998, REPLY: Dome-and-keel provinces formed during Paleoproterozoic orogenic collapse: Geology, v. 26, p. 475-477.
Alkmim, F.F., and Marshak, S., 1998, Transamazonian orogeny in the southern São Francisco craton region, Minas Gerais, Brazil: Evidence for Paleoproterozoic collision and collapse in the Quadrilátero Ferrífero: Precambrian Research, v. 90, p. 29-58.
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, p. 512-522.
Paulsen, T., and Marshak, S., 1997, Structure of the Mount Raymond transverse zone at the southern end of the Wyoming salient in the Sevier fold-thrust belt, Utah: Tectonophysics, v. 280, p. 199-211.
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, p. 511-520.
Marshak, S., Tinkham, D., Alkmim, F.F., Brueckner, H., and Bornhorst, T., 1997, Dome-and-keel provinces formed during Paleoproterozoic orogenic collapse - Diapir clusters, core complexes, or neither? Examples from the Quadrilatero Ferrifero (Brazil) and the Penokean Orogen (USA): Geology, v. 25, p. 415-418.
Marshak, S., 2007, Essentials of Geology, 2nd Edition: W.W. Norton & Company, 545 p.
Marshak, S., 2008, Earth: Portrait of a Planet, 3rd Edition. W.W. Norton and Company, 800 p.
van der Pluijm, B.A., and Marshak, S., 2004, Earth Structure: An Introduction to Structural Geology and Tectonics, 2nd Edition: W.W. Norton, & Co., 656 p.
Marshak, S., van der Pluijm, B., and Hamburger, M., (eds.), 1999, The Tectonics of Continental Interiors: Tectonophysics (special volume): v. 305, 417 p.
Marshak, S., and Mitra, G., 1988, Basic Methods of Structural Geology, Prentice-Hall, 448 p.