Samuel Romberger

Professor Emeritus, Geology and Geological Engineering

Samuel RombergerWork Experience

  • Jan. 1998 – 2000, Sept. 2004 – Jan. 2007 President, Colorado School of Mines Faculty Senate
  • 1982-2007 Professor of Geology, Department of Geology and Geological Engineering, Colorado School of Mines
    Teaching: Mineral Deposits, Solution Geochemistry, Geochemistry of Ground Water Systems, Phase Equilibria, Volcanology, Physical Geology, Earth and Environmental Systems, Field Geology, Engineering Thermodynamics, Public Policy and International Studies as part of the Honors Program, Team dynamics and open ended problem solving as part of the EPICS program
    Research: Petrogenesis of hydrothermal uranium and gold deposits; mineral-solution equilibria at elevated temperatures; geothermal well cement stabilities; geochemistry of acid mine drainage
    Educational Research: Connections program to establish connections between first year core courses at Colorado School of Mines at to communicate those connections to students as part of a Federally funded pilot program that will be used to design the new curriculum
  • June-Aug. 1990,1991 Special Projects Geologist, Newmont Exploration Limited, Carlin, Nevada
  • 1986-1988 Dean of Graduate Students Studies, Colorado School of Mines
  • 1983-1986 Dean of Graduate Studies and Research, Colorado School of Mines
  • 1980-1982 Assistant Dean of Graduate Studies, Colorado School of Mines
  • 1976-1982 Associate Professor of Geology, Department of Geology and Geological Engineering, Colorado School of Mines
    Teaching: Mineral Deposits, Solution Geochemistry, Phase Equilibria, Ore Microscopy, Physical Geology, Field Geology
    Research: Petrogenesis of uranium deposits; mineral-solution equilibria at elevated temperatures; geothermal well cement stabilities; geochemistry, solution chemistry, and the origin of gold deposits
  • 1974-1976 Assistant Professor Geology, Department of Geology and Geological Engineering, Colorado School of Mines
    Teaching: Uranium Geology, Mineral Deposits, Solution Geochemistry, Phase Equilibria, Ore Microscopy, Mineralogy, Physical Geology, Field Geology
    Research: Petrogenesis of uranium deposits; mineral-solution equilibria at elevated temperatures; alteration in geothermal systems; stability of hydrated calcium silicates
  • 1969-1974 Assistant Professor of Geology, Department of Geology, University of Wisconsin
    Teaching: Mineral Deposits, Solution Geochemistry, Mineralogy, Physical Geology, Field Geology
    Research: Experimental mineral-solution equilibria at elevated temperatures
  • 1966-1969 Assistant Professor of Geology, Department of Geology, Michigan State University
    Teaching: Geochemistry, Solution Chemistry, Ground Water Geology
    Research: Water Quality of the Michigan Basin; artificial ground-water recharge

Contact

sromberg@mines.edu
http://inside.mines.edu/~sromberg/
303-273-3828
Fax: 303-273-3859

Education

  • Ph.D. Penn State University, 1968; Major in Geochemistry, Minor in Chemistry
    Thesis Title – Solubility of Copper in Aqueous Sulfide Solutions Coexisting with Covellite from 25o to 200oC, with Geologic Applications
  • B.S. Penn State University, 1962; Major in Geochemistry, Minor in Geophysics

Research Areas

  • Petrogenesis of Uranium and Gold Deposits
  • Geochemistry of Acid Mine Drainage Systems
  • Field and Laboratory Studies on the Origin of Precious Metal Deposits
  • Mineral-Solution Equilibria at Elevated Temperatures

Awards and Recognitions

  • Recipient of the AMOCO Outstanding Teaching Award in 1978 and 1989, Colorado School of Mines.
  • Outstanding CSM Faculty Member, Department of Geology and Geological Engineering, Colorado School of Mines,voted by the entire CSM senior class: 1996 (spring and fall), 2000 (fall), 2001(spring), 2002 (spring and fall), 2003 (spring and fall), 2004 (spring and fall)
  • Centennial Fellow, Penn State University, 1996
  • Colorado School of Mines Board of Trustees Outstanding Faculty Award, 1998
  • Ange Melaragno Service Award for Outstanding Contribution to the McBride Honors Program 2003
    CSM Alumni Teaching Award for Instructional and Pedagogical Excellence 2005

Professional Societies, Committees and Organizations

  • Professional Societies:
    • Geological Association of Canada
    • Society of Economic Geologists (Senior Fellow)
    • Geological Society of America (Fellow)
    • Sigma Xi
    • American Association for the Advancement of Science
    • Geochemical Society
    • American Society of Engineering Education
    • Colorado Scientific Society
    • Denver Regional Exploration Geologists
  • Professional Society Committee Activities:
    • Membership Committee, Society of Economic Geologists; 1984-1986, 2000-2003.
    • Medals Committee, Society of Economic Geologists; 1987-1990.
    • Publications Committee, Society of Economic Geologists; 1990-1993.
    • Associate Editor, Economic Geology, January, 1994-1999.
Other Professional Activities
  • 2009, May 31; International Applied Geochemistry Symposium; Contributed to two-day short course on uranium deposits: GEochemical Modeling of Hydromorphic Uranium Deposits; Fredicton, New Brunswick, Canada.
  • 2009, May 11; Rocky Mountain Mineral Law Foundation; Lectures on the geology of mineral deposits and coal for non-geologists as an introduction to five-day short course on Mining Law; Boulder, Colorado.
  • 2009, March 9-10; Petroleum Technology Transfer Council (APPG); Presented two-day shourt course on Uranium Geology and Geochemistry, Golden, Colorado.
  • 2008; U.S. Geological Survey Mineral Resources External REsearch Program Program FY2009; Served as REview Panel member to review MRERP proposals.
  • 2008, December 8-10; AREVA Mining College; Presented three-day short course on uranium geology and geochemistry, including unit on In Situ Recovery (ISR) processed; Saskatoon, Saskatchewan.
  • 2008, October 20-21; Petroleum Technology Transfer Council (AAPG) presented two-day short course on Uranium Geology and Geochemistry, Golden, Colorado.
  • 2008, September 18-19; Tournigan Energy; Presented two-day shourt course on the Geology and Geochemistry of Uranium Deposits to the exploration staff of Tournigan Energy, including consulting on active properties in Europe, Denver, Colorado.
  • 2008, June 5-6; NCA Nuclear; Presented two-day short course on Uranium Geology and Geochemistry to employees of NCA, including leading a field trip to Front Range unanium occurrences of consulting on geology of NCA properties.
  • 2008, May 12; Rocky Mounatin Mineral Law Foundation; Lectures on the geology, exploration and mining of mineral deposits for non-geologists as an introduction to five-day shourt course on Mining Law, Boulder, Colorado.
  • 2007, February 19; University of Western Australia, Centre for Exploration Targeting; Short course on Ore Deposit Models; presented one-day shourt course on uranium deposits types and geochemistry; Perth, Western Australia.
  • 2007, February 27; Annual Meeting of SME-SEG, Presented paper on Geochemistry of Sandstone-Hosted Uranium Deposits; Denver, Colorado.
  • 2006, November 24; CAMECO; Prsented one-day short course on uranium geochemistry to the CAMECO Geoscience Group, Saskatoon, Saskatchewan.
  • 2006, September 11-12; Canadian Institute of Mining (CIM) Field Conference: Presented paper as part of short course program on unconformity uranium deposits with a follow-up field trip to deposits in the Athabasca Basin, Saskatoon, Saskatchewan.
  • 2006, March 5; Prospectors and Developers Association of Canada (PDAC2006) Annual Meeting; Prsented lecture on the geochemistry of uranium during one-day short course on uranium geology and exploration; Toronto, Canada.
  • 2006, January 21; Mineral Exploration Roundup 06 Annual Meeting; presented half-day short course on uranium metal transport and geochemistry sponsored by Triex Minerals Corporation; Vancouver, British Columbia, Canada.
  • 2001, June 24-28; Meeting on Eardh Systems, Edinburgh, Scotland; Geological Society of America – Geological Societ of London
  • 2000-2001; White and Steele Attorneys at Law – Consultant; Slope stability in lands disturbed by mining in an epithermal gold district.
  • 1998, May 11-15; Workshop on the geology and geochemistry of sediment-hosted and epithermal precious metals deposits to Institute of Geology and Mineralogy, Lisbon, Portugal.
  • 1996, June 28; The Geochemistry and Origin of Epithermal Precious metal Deposits presented to the Instititute of Geology and Mining, Porto, Portugal.
  • 1996, Jan 25-26; Mayfield Distinguished Lecturer, Bowling Green State University, Bowling Green Ohio.
  • 1990-1992; Newmont Exploration Limited; petrography and geochemistry of gold ores from the Carlin Trend.
  • 1988, May 25; Presented Workshop on the geochemistry of gold and silver presented to the Eastern Goldfields Geological Discussion Group, Kalgoorlie, Western Australia.
  • 1988, May 12-13; Western Mining Corporation; Presented workshop on precious metal geochemistry, Melbourne, Australia.
  • 1987, April; BHP-Utah International; Presented workshop on gold geochemistry, Park City, Utah.
  • 1986, September 28 to October 1; Gold ’86 International Symposium on the Geology of Gold Deposits, Toronto, Canada; Technical Session Co-Chairman.
  • 1986, May 20-25; Annual meeting of Geological Association of Canada, Ottawa, Ontario, Canada; Field trip on structure and gold, Rouyn to Val d’Or, Quebec (Sigma, Bousquet, Malartic, Bousquet-Cadillac) sponsored by Geological Association of Canada.
  • 1986, March 17-21; Conference on Frontiers in Geology and Ore Deposits of Arizona and the Southwest sponsored by Arizona Geological Society, Tucson, Arizona; Field trip on precious metal mineralization, stratigraphy, and tectonics in southeastern California (Picacho, Cargo-Muchacho; Mesquite).
  • 1986, February 9-11; Ontario Geological Survey; Presented Short course on geochemistry of gold to Minerals Deposits Section, Toronto, Canada.
  • 1985, September 23-25; Contributed lectures in international workshop on gold deposit modeling in exploration sponsored by Departments of Geology and Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1985, September 7-12; Field trip to gold deposits of Northwest Territories (Lupin, Salmita, Bull Moose) sponsored by Canadian Institute of Mining.
  • 1985, January 31; Union Oil Company of California; Presented short course on the geochemistry of precious metals and geothermal brines; Brea, California.
  • 1985, January 16-17; Energy Fuels Nuclear, Inc.; Presented short course on uranium geochemistry; Kanab, Utah.
  • 1984, November 12-16; Presented short course on gold and silver to experienced miners, prospectors, processors, and investors sponsored by Department of Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1984, October 30 to November 7; Annual meeting of Geological Society of America; Reno, Nevada; Field trip to sediment-hosted precious metal deposits of Nevada (Pinson, Jerritt Canyon, Maggie Creek, Alligator Ridge, Windfall Taylor silver mine) sponsored by Society of Economic Geologists.
  • 1984, October 10; Presented Invited colloquium on the behavior of precious metals in hydrothermal systems to Department of Geology, Oklahoma University, Norman, Oklahoma.
  • 1984, May 15-25; CRA Exploration Limited; Lecturing and consulting on various base and precious metal deposits in New South Wales and Victoria, Australia; visited areas included Sydney, Cobar, Bathurst, Canberra, Melbourne, Bendigo.
  • 1984, March 25-28; Symposium on exploration for ore deposits on the North American Cordillera sponsored by Association of Exploration Geochemists; Technical Session Co-Chairman; Reno, Nevada.
  • 1984, February 26 to March 5; Los Angeles; Field trip to the Mother Lode gold district sponsored by Society of Economic Geologists, annual meeting of AIME.
  • 1984, February; Presented lecture of the Hydrothermal Geochemistry of Gold in Epithermal Systems: Arizona Geological Society, Tucson.
  • 1984, January 16; Presented Invited half day colloquium on the theoretical aspects on solubility, transport and deposition of gold as part of short course on the exploration for gold deposits sponsored by the Department of Geology, McGill University, Montreal, Quebec, Canada.
  • 1983, November 8-11; Presented short course on gold and silver to experienced miners, prospectors, processors, and investors sponsored by Department of Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1983, April 4-6; Presented short course on introduction to gold and silver to miners, prospectors, processors, and investors sponsored by Department of Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1983, March 21-22; Freeport Exploration Company; Presented short course on precious metal geochemistry; Reno, Nevada.
  • 1983, January 28; Anaconda Minerals Company; Presented short course on precious metals geochemistry to Exploration Research Group; Denver, Colorado.
  • 1982, September 19-24; Field conference on the relationship of mineralization to volcanic evolution in the San Juan Mountains, Colorado, sponsored by Society of Economic Geologists.
  • 1982, April; Presented short course on introduction to gold and silver to miners, prospectors, processors, and investors sponsored by Department of Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1982, March 1-2; Marathon Resources; Presented Short course on the geology and geochemistry of precious metal deposits; Denver, Colorado.
  • 1982, January 20-21; Homestake Mining Company; Presented short course on the geochemistry of precious metal deposits; Golden, Colorado.
  • 1981, October 5-7; Presented Paper on solution chemistry of gold and silver and implications for epithermal ore formation; Symposium on zoning in volcanic and subvolcanic mineral deposits, implications for exploration sponsored by University of Nevada-Reno; Lake Tahoe, Nevada; included one day field trip to Steamboat Springs, Geiger Grade and Comstock district.
  • 1981, October 1-3; Presented Short course on gold and silver to experience miners, prospectors, processors, and investors sponsored by Department of Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1981, August 17-21; Gordon Conference on Inorganic Geochemistry, Geochemistry of Hydrothermal Ore Deposits; Colby-Sawyer College, New London, New Hampshire.
  • 1981, April 22-24; Presented Workshop on the geology of massive sulfide, porphyry copper-molybdenum, and volcanic rock-hosted precious metal deposits to Continuing Education Division of the Faculty of Engineering, National Autonomous University of Mexico, Mexico City, Mexico.
  • 1981, April 14-16; Presented short course on the introduction to gold and silver to miners, prospectors, processors, and investors sponsored by Department of Special Programs and Continuing Education, Colorado School of Mines, Golden, Colorado.
  • 1980, May 26-29; Field trip on epithermal gold deposits of Nevada (Steamboat Springs, New Savage and Consolidated Imperial mines, Comstock district; Seven Troughs; Sulphur; McDermitt; Tomboy mine, Battle Mountain district) sponsored by the Society of Economic Geologists.
  • 1980, March 23; Wyoming Geological Association; Presented short course on the geochemistry of uranium, Casper, Wyoming
  • 1979, March 9; Exxon; Consulted on the geochemistry of uranium, Houston, Texas.
  • 1979, January to February; Conoco; Presented five short courses on uranium geochemistry presented to regional office exploration staffs: Spokane, Washington; Casper, Wyoming; Albuquerque, New Mexico; Austin, Texas; and Denver, Colorado.
  • 1978, May 22-23; Cotter Corporation; Presented short course on uranium geochemistry, Golden, Colorado.
  • 1978, June; Anaconda Company; Thermodynamic stabilities of molybdenite, enargite, and other sulfides as they relate to the advanced agrillic alteration at Butte, Montana.
  • 1978, January 11-13; Union Carbide; Presented short course on the geochemistry of uranium deposits, Grand Junction, Colorado.
  • 1977; FRAMCO Uranium Exploration Company: Literature search on uranium occurrences in the Rocky Mountain States.

Publications

  • Romberger, S.B., 2009, Role of geochemistry in the search for uranium deposits; Proceedings of the 24th International Applied Geochemistry Symposium, D.R. Lentz, K.G. Thorne, and K.-L. Beal, eds.; v.1, p.457.
  • Phillipson, S.E., and S.B. Romberger, 2004, Volcanic stratigraphy, structural controls, and mineralization in the San Cristobal Ag-Zn-Pb deposit, southern Bolivia: Journal of South American Earth Sciences, v. 16, p. 667-683.
  • Rosa, D.R.N., and S.B. Romberger, 2003, Fluid evolution in the Jales Au district, northern Portugal: International Geology Reviews, v. 45, p. 1-13.
  • Rosa, D.R.N., and S.B. Romberger, 2003, Isotopic constraints on the classification of the Jales Au district (northern Portugal): A Geologia de Engenharia os Recursos Geologicos Coimbra; Imprensa da Universidade; p. 31-43.
  • Phillipson, S.E. and S. Romberger, 2001, Emplacement and mineralization of the San Cristobal Ag-Zn-Pb deposit in southern Bolivia: Transactions Society of Mining and Exploration, v. 310, p. 80-88.
  • Brake, S.S., K.A. Connors, and S.B. Romberger, 2001, A river runs through it: impact of acid mine drainage on the geochemistry of West Little Sugar Creek pre- and post-reclamation at the Green Valley coal mine, Indiana, USA: Environmental Geology, v.40, p. 1471-1481.
  • Brake, S.S., and S.B. Romberger, 2000, Precious metal transport and deposition at the New Savage mine, Comstock Lode district, Nevada: Geology and Ore Deposits 2000: The Great Basin and Beyond, J.K. Cluer, et al., eds; Geological Society of Nevada, Reno, p. 177-186.
  • Kelley, K.D., S.B. Romberger, D.W. Beaty, J.A. Pontius, L.W. Snee, H.J. Stein, and T.B. Thompson, 1998, Geochemical and geochronological constraints on the genesis of Au-Te deposits at Cripple Creek, Colorado, USA: Economic Geology, v. 93.
  • Cunningham, C.G., J.D. Rasmussen, T.A. Steven, R.O. Rye, P.D. Rowley, S.B. Romberger, J. Selverstone, 1998, Hydrothermal uranium deposits containing molybdenum and fluorite in the Marysvale volcanic field, west-central Utah: Mineralium Deposita, v. 33, p. 477-494.
  • Kelley, K.D., S.B. Romberger, H.J. Stein, L.W. Snee, D.W. Beaty, T.B. Thompson, 1997, Genesis of gold-telluride deposits and associated alkaline igneous rocks in the Cripple Creek district, Colorado, western USA: Proceedings 30th International Geological Congress; v. 9, p. 301-319.
  • Drews-Armitage, S.P., S.B. Romberger, and C.G. Whitney, 1996, Clay alteration and gold deposition in the genesis and Bluestar deposits, Eureka County, Nevada: Economic Geology, v. 91, p. 1383-1393.
  • Romberger, S.B. ed., 1993, Integrated Methods in Exploration and Discovery; Extended Abstracts of Technical Presentations; Society of Economic Geologists, Littleton, CO; p. AB1-AB133.
  • Romberger, S.B., 1992, A model for bonanza gold deposits; Geoscience Canada, v. 19, pp. 63-72.
  • Walton-Day, K., P.H. Briggs, and S.B. Romberger, 1991, Use of mass-flow calculations to identify processes controlling water quality in a subalpine wetland receiving acid mine drainage, St. Kevin Gulch, Colorado; U.S. Geological Survey Water-Resources Investigations Report 91-4034, pp. 371-376.
  • Romberger, S.B., 1991, Transport and deposition of precious metals in epithermal deposits, in: Geology and Ore Deposits of the Great Basin; G. L. Raines and others, eds.; Geologic Society of Nevada, Reno, pp. 219-232.
  • Romberger, S.B., 1991, Transport and deposition of gold in hydrothermal systems, in: Proceedings of Greenstone Gold and Crustal Evolution Conference; F. Robert, S. Green, and P.A. Sheahan, eds. pp. 61-66.
  • Romberger, S.B., 1990, Geochemistry of epithermal precious metal deposits, in: Gold ’90, Proceedings of the Gold ’90 Symposium; D.M. Hausen, et al., eds., Society of Mining Engineers, Littleton, Colorado, p. 181-188.
  • Romberger, S.B., 1988, Geochemistry of Gold in Hydrothermal Deposits: U.S. Geological Survey Bulletin 1857-A, p. A9-A25.
  • Romberger, S.B., 1986, The Solution Chemistry of Gold Applied to the Origin of Hydrothermal Deposits: Canad. Inst. Mining Special Volume 38, p. 168-186.
  • Romberger, S.B., 1986, Disseminated Gold Deposits: Geosciences Canada, v. 13, p. 23-31.
  • Romberger, S.B., 1984, Transport and Deposition of Uranium in Hydrothermal Systems at Temperatures up to 300oC, with Geologic Implications; in: Uranium Geochemistry, Mineralogy, Geology, Exploration, and Resources, B. DeVivo, ed.; Inst. Mining Metallurgy (London), p. 12-17.
  • Romberger, S.B., 1981, Keeping Informed within the Minerals Exploration Community: Geoscience Information Society Proceedings, v. 11, p. 3-10.
  • Romberger, S.B., 1980, Metallic Mineral Resources of Colorado, in: Colorado Geology, H.C. Kent and K. Porter, eds.; Rocky Mountain Assoc. Geologists, Denver, p. 225-236.
  • Romberger, S.B., 1978, Preliminary study of hydrothermal alteration associated with hot spring activity, Gerlach area: Colorado School of Mines Quarterly, v. 73, pt. 1, no. 3, p. 27.
  • Romberger, S.B., 1977, Identification and interpretation of ore minerals by reflected light microscopy, in: Subsurface Geology, L.W. LeRoy, et al., ed., Colorado School of Mines press, p. 43-52.
  • Romberger, S.B., and Barnes, H.L., 1970, Ore solution chemistry III: Solubility of CuS in sulfide solutions: Econ. Geol., v. 65, p. 901-919.
  • Barnes, H.L., and Romberger, S.B., 1968, Chemical aspects of acid mine drainage: Jour. Water Pollution Control Federation, v. 40, p. 371-384.
  • Barnes, H.L., Romberger, S.B., and Stemprok, M., 1967, Ore solution chemistry II. Solubility of HgS in sulfide solutions: Econ. Geol., v. 62, p. 957-982.
Theses and Dissertations Supervised
Colorado School of Mines
    • Lien, J.S., 2006, Characterization of the Black Mountain gold-mineralizing systems, East-Central Alaska (Masters).
    • Miersemann, U., 2001, Alteration and Ore Mineral Zonation within the Silver Plume-Georgetown District, Clear Creek County, Colorado (Masters).
    • Rosa, D. 2001, Metallogenesis of the Jales Gold District, Northern Portugal (Ph.D).
    • Helms, T.A., 2000, Structural and lithologic controls on gold mineralization in the Cresson deposit, Cripple Creek district, Colorado (Masters).
    • Phillipson, S.E., 1999, Emplacement and mineralization of the San Cristobal Ag-Pb-Zn deposit, southern Bolivia (Ph.D.).
    • Thompson, R.K., 1999, Mineralization associated with rhyolitic volcanic events in the Tonopah area, Esmeralda and Nye Counties, Nevada (Masters).
    • Barron, J.W., 1998, Mineralogy and ore controls at the Silver Bell mine, Utah County, Utah (Masters).
    • Benson, R.G., 1997, Detachment-fault related mineralization in a rift setting at the San Luis gold deposit and Sangre de Cristo Mountains, Alamosa, Costilla, and Saguache Counties, Colorado (Ph.D.).
    • Thieme, L.D., 1997, Clay alteration and its association with gold mineralization at the Crucitas prospect, Costa Rica (Masters).
    • Muirhead, M., 1996, Alteration of the footwall rocks of the Kidd Creek orebody, Timmins, Ontario, Canada (Masters).
    • Kelley, K.D., 1996, Origin and timing of magmatism and mineralization in the Cripple Creek district, Colorado (Ph.D.).
    • Sweetkind, D.S., 1994, Fluid inclusion gas analysis of the Creede, Colorado hydrothermal system using quadrupole mass spectrometry (Ph.D.).
    • Smith, A.L., 1994, Geology and mineralization of the Golden Crown deposit, Nye County, Nevada (Masters).
    • Holland, K.L., 1994, Structure, mineralization and alteration of the Cross deposit, Boulder County Colorado (Masters).
    • Drews, S.P., 1993, Clay mineralization and its association with gold deposition in the Genesis and Blue Star deposits, Eureka County, Nevada (Masters).
    • Powell, J.L., 1992, Mineralogy and fluid inclusion geochemistry of the Mountain Queen vein, San Juan County, Colorado (Masters).
    • Walton-Day, K., 1991, Hydrogeology and geochemistry of a natural wetland affected by acid mine drainage, St. Kevin Gulch, Lake County, Colorado (Ph.D.).
    • Balleweg, K.J., 1990, Geology of the Orient limonite deposit, Saguache County, Colorado (Masters).
    • Brake, S.S., 1989, Fluid inclusion and trace element study of the Comstock district, Nevada (Ph.D.).
    • Shannon, J.R., 1988, Geology of the Mount Aetna Cauldron complex, Sawatch Range, Colorado (Ph.D.).
    • Bateman, P.W., 1988, Geological and geochemical characteristics of selected stratiform mercury deposits in Nevada and their relationship to precious metal deposits (Ph.D.).
    • Saunders, J.A., 1986, Petrology, mineralogy and geochemistry of representative gold telluride ores from Colorado (Ph.D.).
    • Kramer, A.M., 1984, Paragenetic and fluid inclusion study of the Smith vein, Smith mine, Blackhawk, Colorado (Masters).
    • Clark, J.R., 1983, The geology and trace element distribution of the sulfide bodies at Orchan mine, Matagami, Quebec (Ph.D.).
    • Budge, S., 1983, Trace elements distribution around precious and base metal veins, Idaho Springs district, Colorado (Masters).
    • Torbert, B.J., 1982, Geology and exploration geochemistry, Sunshine gold district, Tooele and Utah Counties, Utah (Masters).
    • Johnson, S.A., 1982, The geology and geochemistry of the southeastern Bighorn Mountains, Johnson County, Wyoming (Ph.D.).
    • Herald, C.E., 1982, Geology of the Pitkin-Fairview Peak area, Gunnison County, Colorado (Masters).
    • Franotovic, D., 1982, Stratabound copper mineralization in the Revett Formation Belt Supergroup northern Idaho, northwest Montana (Ph.D.).
    • Collier, J.D., 1982, Geology and uranium mineralization of the Florida Mountain area, Needles Mountains, southwestern Colorado (Ph.D.).
    • Klein, T.L., 1981, The geology and geochemistry of the sulfide deposits of the Seminoe district, Carbon County, Wyoming (Ph.D.).
    • Hunt, W., 1981, Economic geology and geochemistry of part of the Montezuma district, Front Range, Colorado (Masters).
    • Gibbs, W.K., 1981, Geology and geochemistry of uranium mineralization in rhyolites of the Nellie Creek area, Hinsdale County, Colorado (Masters).
    • York, T.M., 1980, Geology of the Tok antimony mine, Tok, Alaska (Masters).
    • Drobeck, P., 1980, Geology and trace element geochemistry of a part of the Gunnison gold belt, Colorado (Masters).
    • Buchanan, L.J., 1980, The Las Torres mine, Guanajuato, Mexico: Ore controls of a fossil geothermal system (Ph.D.).
    • Jenkins, R.E. II, 1979, Geochemistry and origin of mineral deposits in the Hill Gulch area, Jamestown, Colorado (Ph.D.).
    • Aranda-Gomez, J.J., 1979, Metamorphism, mineral zoning, and paragenesis in the San Martin mine, Zacatecas, Mexico (Masters).
    • Shipley, W.E., 1978, Geology, petrology, and geochemistry of the Mountain Pine Ridge batholith, Belize, Central America (Masters).
    • Johnson, S.M., 1977, The geology and geochemistry of uranium and thorium in the Late Cretaceous intrusives and the enclosing Idaho Springs Formation, Black Hawk Quadrangle, Gilpin County, Colorado (Masters).
University of Wisconsin
  • Kaczmarowski, J.H. Jr., 1975, Geochemical analysis of soil samples from the Jewell mine, southwest Wisconsin – methods comparison and interpretation (Masters).
  • Sinclair, W.D., 1973, The solubility of copper and copper sulfides in aqueous chloride solutions from 25 degrees to 150 degrees C (Ph.D.).
Michigan State University
  • Wood, W.W., 1969, Geochemistry of ground water of the Saginaw Formation in the upper Grand River Basin, Michigan (Ph.D.).
  • Bailey, A., 1967, Course and extent of alteration of selected ferromagnesian silicates by aqueous solutions of oxalic acid (Masters).
Published Abstracts
  • Romberger, S.B., 2007, Low temperature mobility of uranium in surface and near surface aqueous crustal environments (abs); Geological Society of America Program with Abstracts, Denver, Colorado.
  • Romberger, S.B., 2007, Geochemistry of Sandstone-Hosted Uranium Deposits (abs); Society of Mining and Exploration Program with Abstracts, Denver, Colorado; p. 54.
  • Romberger, S.B., 2006, Geochemical controls on the formation of unconformity-type uranium depostis (abs); Canadian Institute of Mining Program with Abstracts, Saskatoon, Saskatchewan.
  • Romberger, S.B., 2005, Evolution and occurrence of uranium deposits through geologic time (abs); Geological Society of America Program with Abstracts, Salt Lake City, Utah.
  • Romberger, S.B., and J.A. Saunders, 1999, Geochemical controls on gold mobility during weathering of shallow hydrothermal mineral deposits (abs); Society of Mining and Exploration Program with Abstracts, Denver, Colorado; p. 158.
  • Romberger, S.B., 1999. Mobility of uranium and thorium in natural aqueous systems, Proceedings American Geophysical Union Fall Meeting, San Francisco California.
  • Romberger, S.B., and J.A. Saunders, 1999. Geochemical controls on gold mobility during weathering of shallow hydrothermal mineral deposits, Society of Mining and Exploration Annual Meeting, Slat Lake City, Utah, Program with Abstracts, p. 158.
  • Brake, S.S., and S.B. Romberger, 1996, Precious metal transport and deposition: A case study of fluid inclusions and alteration assemblages at the New Savage mine, Comstock district, Nevada: Geological Society of America, Denver, Program with Abstracts, p. A-152.
  • Romberger, S.B., 1990, Transport and deposition of precious metals in epithermal deposits; Geological Society of Nevada Symposium on Geology and Ore Deposits of the Great Basin, Reno, Nevada, Program with Abstracts, p. 54.
  • Romberger, S.B., 1990, Geochemistry of precious metal epithermal systems; Society of Mining Engineers, Salt Lake City, Program with Abstracts, p. 89.
  • Walton-Day, K., P.H. Briggs, and S.B. Romberger, 1989, Use of mass-flow calculations to identify processes controlling water quality in subalpine wetland receiving acid mine drainage: Transactions American Geophysical Union, v. 70, N. 43, p. 1106.
  • Romberger, S.B., 1988, A review of precious metal mineral deposit types: Colorado Chapter of Friends of Mineralogy, Symposium on the Mineralogy of Precious Metal Deposits, Program. p. 6-9.
  • Romberger, S.B., 1988, Mechanisms of ore deposition in solution breccias (abs.): Geological Society of America, Denver, Program with Abstracts, p. 139.
  • Romberger, S.B., 1988, Deposition of precious metals along geochemical boundaries in hydrothermal systems (abs.): AIME Abstracts with Programs, p. 36.
  • Romberger, S.B., 1988, Transport and deposition of precious metals in brecciated environments (abs.): AIME Abstracts with Program, p. 28.
  • Saunders, J.A. and Romberger, S.B., 1985, Ore Petrology and Geochemistry of Tertiary Gold Telluride Deposits of the Colorado Mineral Belt (abs.): Geol. Soc. Amer. ann. Mtg., Orlando; Program with Abstracts, p. 707.
  • Romberger, S.B., 1985, The Solution Chemistry of Gold Applied to the Origin of Hydrothermal Deposits (abs.): Canad. Inst. Mining, Saskatoon; Program with Abstracts, p. 12-14.
  • Rasmussen, J.D., Cunningham, C.G., Steven, T.A., Rye, R.O., and Romberger, S.B., 1985, Origin of the hydrothermal uranium vein deposits in the Marysvale volcanic field, Utah (abs.): Uranium deposits in volcanic rocks, International Atomic Energy Agency, Vienna, Austria, p. 317.
  • Rasmussen, J.D., Cunningham, C.G., Steven, T.A., Rye, R.O., and Romberger, S.B., 1984, Hydrothermal uranium vein deposits in the Marysvale volcanic field, Utah (abs.): Amer. Assoc. of Petrol. Geol. Bulletin, v. 68, n. 7, p. 946.
  • Romberger, S.B., 1984, Mechanisms of Deposition of Gold in Low Temperature Hydrothermal Systems (abs.): Assoc. Expl. Geochemists Annual Meeting, Reno, Nevada.
  • Romberger, S.B., 1984, The Behavior of Precious Metals in Geothermal Fluids (abs.): AIME Annual Meeting, Los Angeles, Calif.
  • Romberger, S.B., 1983, Transport and Deposition of gold in hydrothermal systems at temperatures up to 250oC with geologic implications (abs.): Geological Association Canada Annual Meeting, Victoria, B.C.
  • Romberger, S.B., 1982, Transport and Deposition of gold in hydrothermal systems at temperatures up to 300oC (abs.): GSA Abstracts, 1982, Annual Meeting, New Orleans.
  • Romberger, S.B., 1980, Keeping informed within the minerals exploration community (abs.): GSA Abstracts, 1980 Annual Meeting, Atlanta, p. 512.
  • Cunningham, C.G., Steven, T.A., Rasmussen, J.D., and Romberger, S.B., 1979, The genesis of the Marysvale, Utah, hydrothermal uranium deposits (abs.): GSA Abstracts, 1979 Annual Meeting, San Diego, p. 408.
  • Romberger, S.B., 1978, Hydrothermal Transport and Deposition of Uranium, and the Origin of Vein Uranium Deposits (abs.): GSA Abstracts, 1978 Annual Meeting., Toronto: p. 480.
  • Romberger, S.B., 1974, Hydrothermal synthesis of minerals in the system Cu-Fe-S-O (abs.): GSA Annual Meeting, Dallas.
  • Romberger, S.B., 1973, Upper Mississippi Valley base metal deposits: Experimental solutions to problems of ore genesis (abs.): Annual Meeting, Institute on Lake Superior Geology, 1973, Madison, Wisc.
  • Romberger, S.B., 1972, Hydrothermal synthesis of copper, lead, and zinc sulfides (abs.): Econ. Geol., v. 67, p. 1009.
  • Romberger, S.B., Barnes, H.L., and Stemprok, M., 1966, Solubility of cinnabar in synthetic ore solutions (abs.): Trans. Am. Geophys. Union, v. 47, p. 200.
  • Romberger, S.B., and Barnes, H.L., 1965, Solubility of covellite in synthetic ore solutions (abs.): Geol. Soc. Amer. Spec. Paper 82, p. 165.
  • Romberger, S.B., and Barnes, H.L., 1963, Sulfide solubilities in synthetic ore solutions (abs.): Trans. Am. Geophys. Union, v. 44, p. 116.
  • Barnes, H.L., and Romberger, S.B., 1963, Ore transport: Effects of chloride on sphalerite solubility (abs.): Geol. Soc. Amer. Spec. Paper 73, p. 110.