In preparation or in press:

Roberts, Sheila and Thomas, Robert, in preparation, Geological road signs along the Lewis and Clark Trail in Montana, expected completion June 2006.

Roberts, Sheila, and others, in preparation, Determination of multiple glacial events using multivariate analysis of sediments in the eastern Pioneer Mountains, Montana.

Roberts, Sheila, and Thomas, Robert, Geology Underfoot in Montana: Mountain Press, in preparation


Published

Roberts, S.M., 2005, Surface-recession weathering of marble tombstones: New field data and constraints, in Turkington, A.V., ed., Stone decay in the architectural environment: Geological Society of America Special Paper 390, p. 27Ð37.

Thomas, R. C., and Roberts, S.M., 2005, Lewis and Clark: The Corps of geologic discovery: Montana Naturalist, Fall 2005, p. 6-7.

Thomas, Robert C., and Roberts, Sheila, 2005, Geological excursions in south-central Montana: Geological Society of America Geohostel Guidebook, unpaginated.

Roberts, Sheila, Satterly, Thomas G., and Fraser, Ian, 2005, Geological history of Kokanee Glacier Park, two 24Ó x 36Ó interpretive signs placed at Gibson Lake and Slocan Chief Cabin Interpretive Centers, entitled: ÒThe Rocks of Kokanee Glacier Park,Ó and ÒThe Ice of Kokanee Glacier Park.Ó

2004, Featured in ÒKootenay Lake: Between a Rock and a Hard PlaceÓ one program of a Canadian television series on Great Canadian Lakes.

Vant, M.K., and Roberts, S.M., 2004, GIS mapping of mass-movement hazards in Beaverhead County, in GIS Ð Tools of Discovery: 2004 Intermountain GIS Users Conference, Billings, Montana, p. 26.

R.J. Spencer, W. Yang, S.M. Roberts and H.R. Krause, 2003, Hydrology and climate change (200 to 100 ka), Death Valley, California, USA. in Desertification in the Third Millenium, A.S. Alsharhan, W.W. Wood, A.S. Goodie, A. Fowler and E.M. Abdellatif, editors: Swetz and Zeitlinger Publishers, Lisse, Netherlands. p. 117-122.

Thomas, Robert, and Roberts, Sheila, 2003, Overcoming obstacles to incorporating experiential learning into the geoscience curriculum: Geological Society of America 2003 Annual Meeting Abstracts with Programs.

Roberts, Sheila M., 2002, Using marble tombstones to measure weathering rates: new data and new constraints: Geological Society of America 2002 Annual Meeting Abstracts with Programs (Session: Decay and Conservation of Stone Buildings and Monuments), v. 34. no. 6, p. 89.

Allen, Shane, Caffrey, Tom, Clark, Cody, Day, Greg, Given, Laura, Mantha, Jordan, Rondeau, James, Stodden, Dawn, Wadman, Valora, and Roberts, Sheila, 2002, Study of groundwater nitrate, Beaverhead County, Montana: Rocky Mountain Geodays Abstracts and Program, v. 1, unpaginated.

Roberts, Sheila, Thomas, Rob, and Mock, Steve, 2002, Experience One! Killing apathy one class at a time: U.S. Department of Education 2002 FIPSE Meeting, Washington, D.C., poster session presentation.

Roberts, Sheila, 2000, Reinforcing quantitative skills with applied research on tombstone weathering rates: Journal of Geoscience Education, v. 48, no. 4, p. 469-473.

Thomas, Robert C., and Roberts, Sheila, 2000, Geology of the Lewis and Clark Trail: The Three Forks of the Missouri River to Camp Fortunate: Geological Society of America Rocky Mountain Section Meeting 2000 Guidebook, p. 207-233.

Roberts, Sheila, and Winston, Donald, editors, 2000, Geology of western Montana and adjacent areas: Geological Society of America Rocky Mountain Section Meeting 2000 Guidebook, 233 p.

Lowenstein, Tim K., Li, Jianren, Brown, Christopher, Roberts, Sheila, Ku, Teh-Lung, Luo, Shangde, Yang, Wenbo, 1999, 200 k.y. paleoclimate record from Death Valley salt core: Geology, v. 27, no.1, p. 3-6.

Yang, Wenbo, Krouse, H.R., Spencer, R.J., Lowenstein, T.K., Hucheon, I.E., ku, The Lung, Li, Jianren, Roberts, Sheila, Brown, Christopher, B., 1999, A 200,000 year record of change in oxygen isotope composition of sulfate in a saline sediment core, Death Valley, California: Quaternary Research, v. 51, no. 2, p. 148-157.

Roberts, Sheila, 1999, Geomorphic process rates and statistics - a natural marriage for reinforcing quantitative skill with applied research: Geological Society of America 1999 Annual Meeting Abstracts with Programs (Session: Building the quantitative skills of geoscience students), v. 31. no. 7, p. A-210.

Roberts, Sheila, Flynn, Kyle, Gannon, Reese, Nelson, Bryce, Brooks, Roderick, and Anderson, Ryan, 1999, Measuring weathering rates of marble tombstones in Southwest Montana: Geological Society of America 1999 Annual Meeting Abstracts with Programs (Session: Sediments in karst systems: processes, mechanisms, interpretation), v. 31. no. 7, p. A-348.

Roberts, Sheila M., and Spencer, Ronald J., 1998, A desert responds to Pleistocene climate change: saline lacustrine sediments, Death Valley, California: Quaternary Deserts and Climatic Change, Balkema Press, Rotterdam, p. 357-370.

Spencer, Ronald J., and Roberts, Sheila M., 1998, Magnitude of climate change in Death Valley, California, between 100 and 200 ka B.P.: comparison with modern systems: Quaternary Deserts and Climatic Change, Balkema Press, Rotterdam, p. 371-380.

Spencer, R.J., Yang, Wenbo, Roberts, Sheila, and Krouse, H. Roy, 1997, Sedimentologic and isotope records of the hydrology of Death Valley between 180 and 100 ka: International Association of Geochemistry and Cosmochemistry Second Applied Isotope Geochemistry Symposium, Lake Louise, Alberta, Sept. 30-Oct. 4, 1997.

Mock, Steve, Roberts, Sheila, Andrus, Ivan, Frisbee, Stephanie, Hamilton, Susie, Hayes, Jack, Mock, Joshua, Freshour, Cori, and O'Loughlin, Jennifer, 1997, Preliminary Study of the Beaverhead River and the Effects of the Dillon Community: Chemistry: Montana Academy of Science meeting, Billings, MT, April, 1997.

Roberts, Sheila M., Spencer, Ronald J., Yang, Wenbo, and Krouse, H. Roy, 1997, Deciphering some unique paleotemperature indicators in halite-bearing saline lake deposits from Death Valley, California, USA: Journal of Paleolimnology, v. 17, no. 1, p. 101-130.

Roberts, Sheila M.,1996, Climate change in Death Valley, California from about 100 to 200 ka: a record from cored sediments, homogenization temperatures of fluid inclusions in halite, and stable isotopes of fluid inclusions [Ph.D. dissertation]: The University of Calgary, Alberta, Canada, 183 p.

Roberts, Sheila M., Spencer, Ronald J., and Yang, Wenbo, 1996, Climatic response in Death Valley, California during glacial Termination II: Geological Society of America 1996 Annual Meeting Abstracts with Programs, v. 28, no. 7, p. A-459.

Roberts, Sheila M., and Williams, Chad, 1996, Montana geology Field Notes: students on the radio: Geological Society of America 1996 Annual Meeting Abstracts with Programs, v. 28, no.7, p. A-332.

Spencer, Ronald J., Yang, Wenbo, Lowenstein, Tim K., Krouse, H.Roy, and Roberts, Sheila M., 1996, Hydrology of Death Valley between 180 and 100 ka: Geological Society of America 1996 Annual Meeting Abstracts with Programs, v. 28, no.7, p. A-457.

Forester, Richard M., Lowenstein, Tim, and Roberts, Sheila M., 1996, A Death Valley ostracode glacial lake hydrochemical history: Geological Society of America 1996 Annual Meeting Abstracts with Programs, v. 28, no.7, p. A-457.

Roberts, Sheila M., and Spencer, Ronald J., 1995, A desert responds to Pleistocene climate change: saline lacustrine sediments, Death Valley, California: International Conference on Quaternary Deserts and Climatic Change, United Arab Emirates, December 9-11, 1995.

Spencer, Ronald J., and Roberts, Sheila M., Magnitude of climate change in Death Valley, California, between 100 and 200 ka B.P.: comparison with modern systems: International Conference on Quaternary Deserts and Climatic Change, United Arab Emirates, December 9-11, 1995.

Roberts, Sheila M., and Spencer, Ronald J., 1995, Paleotemperatures preserved in fluid inclusions in halite: Geochimica et Cosmochimica Acta, v. 59, p. 3929-3942.

Roberts, Sheila M. and Spencer, Ronald J., 1995, Hexagonal halite pseudomorphs -- possible climatic indicator of temperatures below 0°C [abstract]:1995 Geological Society of Canada-Mineralogical Association of Canada Annual Meeting in Victoria, B.C.

Yang, Wenbo, Spencer, Ronald. J., Roberts, Sheila M., and Krouse, H.Roy, 1995, Sulfur isotope biogeoochemical studies of Death Valley, California [abstract for 1995 Geological Association of Canada-Mineralogical Association of Canada Annual Meeting]

Roberts, Sheila, M., Spencer, Ronald J., Yang, Wenbo, Krouse, H. Roy, Lowenstein, Tim K., Ku, Teh-lung, and Luo, Shangde, 1994, Paleoclimate of Death Valley, California between 100 and 200 thousand years B.P.: Geological Society of America Abstracts with Programs, 1994 Annual Meeting, v. 27, no. 6, p. A-170.

Lowenstein, Tim K., Li, Jianren, Brown, Christopher B., Spencer, Ronald J., Roberts, Sheila M., Yang, Wenbo, Ku, Teh-Lung, Luo, Shangde, 1994, Death Valley Salt Core: 200,000 year record of closed-basin subenvironments and climates: Geological Society of America Abstracts with Programs, 1994 Annual Meeting, v. 27, no. 6, p. A-169.

Roberts, Sheila M., Spencer, Ronald J., and Lowenstein, Tim K.,1994, Late Pleistocene saline lacustrine sediments, Badwater Basin, Death Valley, California: in International lacustrine reservoirs and depositional systems: Society of Economic Paleontologists and Mineralogists Core Workshop No. 19, Denver, Colorado, p. 61-103.

Roberts, Sheila M., and Spencer, Ronald J., 1994, Homogenization temperatures of fluid inclusions in primary halite--a record of late Pleistocene surface temperatures, Death Valley, California [abstract and talk]: Pan-American Current Research on Fluid Inclusions [PACROFI conference], Cuernavaca, Morelos, Mexico, May 19-21, 1994.

Roberts, Sheila M., Spencer, Ronald J., Yang, Wenbo, Krouse, H. Roy, Lowenstein, Tim K., Li, Jianren, 1993, Major dissolved ion and stable isotope hydrochemistry of the Badwater Salt Pan, Death Valley, California, U.S.A.: Geological Society of America Abstracts with Programs 1993 Annual Meeting, v. 25, no. 6, p. A255.

Geology of Wyoming, 1993, Arthur W. Snoke, James R. Steidtmann, and Sheila M. Roberts, editors: Geological Survey of Wyoming Memoir 5, 937 p. (Vols. 1 and 2 and map pocket).

Roberts, Sheila, 1993, Drilling for ancient climates in Death Valley: Death Valley National Monument Visitor Guide, Fall-Winter, 1993, p. 6.

Roberts, Sheila, 1993, Drilling for paleoclimate information at Badwater Basin, Death Valley National Monument: Death Valley National Monument Visitors Center talk for Park personnel and public talk, May 6 and 8, 1993.

Roberts, Sheila M., and Roberts, Marilyn L., 1993, Natural history field trip of the Fairmont Hot Springs area [British Columbia]: Adult Basic Education Association Annual General Meeting, Fairmont Hot Springs, April 21-24, 1993.

Roberts, Sheila, 1991, Teachers' supplement of activities to accompany Wyoming geomaps: Geological Survey of Wyoming Educational Series 1-Supplement, 59 p.

Mineral resources of Wyoming, 1991, R.B. Frost and S.M. Roberts, editors: Geological Association of Wyoming 1991 Field Conference Guidebook, 264 p.

Geologic field tours of western Wyoming and parts of adjacent Idaho, Montana, and Utah, 1990, Sheila Roberts, editor: Geological Survey of Wyoming Public Information Circular 29, 191 p. [field guides for Rocky Mountain Section, Geological Society of America Annual Meeting in Jackson Hole, Wyoming]\

Roberts, Sheila, 1990, The swamp: Sierra Magazine, November-December, 1990, p. 63-65. [nonfiction essay, winner of 1990 Nature Writing Contest]

Roberts, Sheila, 1989, Wyoming geomaps: Geological Survey of Wyoming Educational Series 1, 41 p.

Belt Supergroup: a guide to Proterozoic rocks of Western Montana and adjacent areas, 1986, Sheila Roberts, technical editor: Montana Bureau of Mines and Geology Special Publication 94, 311 p.

Roberts, Sheila, 1982, Depositional environments and diagenesis of Permian scaphopod-bellerophontacean gastropod-bearing beds in southwestern Montana [M.S. thesis]: University of Montana, Missoula, 176 p.

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