5916 McIntyre Street
Golden, Colorado 80403 USA

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+1 518 361 8817

www.solfataralabs.com

Publications

Olson, G. J. and T. R. Clark. 2008. Bioleaching of molybdenite. Hydrometallurgy 93: 10-15.

Olson, G. J., T. R. Clark, T. I. Mudder, and M. Logsdon. 2005. Control and prevention of microbially catalyzed acid rock drainage with thiocyanate. Minerals and Metallurgical Processing Trans. 318: 20- 26.

Olson, G. J., T. R. Clark, and T. I. Mudder. 2004. Combined thiocyanate-phosphate treatment for the control and prevention of acid rock drainage. In Tailings and Mine Wastes ’04, Proceedings of the Eleventh Tailings and Mine Waste Conference, Vail, CO. Balkema, Leiden, The Netherlands, p. 325-330.

Olson, G. J., T. R. Clark, T. I. Mudder, and M. Logsdon. 2003. Thiocyanate inhibition of microbial sulfide oxidation for the control and prevention of acid rock drainage. In Tailings and Mine Wastes’03, Proceedings of the Tenth International Conference on Tailings and Mine Waste, Vail,CO. Swets and Zeitlinger B.V., Lisse, The Netherlands, p. 403-411.

Olson, G. J., T. R. Clark, T. I. Mudder, and M. Logsdon. 2003. A novel approach for prevention and control of acid rock drainage. In Proceedings 6th International Conference on Acid Rock Drainage. The AusIMM, Carlton South, Victoria, Australia, p. 789-799.

Campbell, S. C., T. R. Clark, G. J. Olson and G. McFeters. 2001. Biogenic production of cyanide and its application to gold recovery. J. Industrial Microbiology and Biotechnology 26: 134-139.

Olson, G. J. and T. R. Clark. 2001. Bioleaching of a mixed copper sulfide ore containing enargite and luzonite. In Biohydrometallurgy: Fundamentals, Technology, and Sustainable Development, Part A, V.S.T. Ciminelli and O. Garcia (eds.), Elsevier, Amsterdam, p. 543-551.

Olson, G. J., T. R. Clark, and H. Osborne. 2000. General Minerals Vizcachitas project: bioleaching of chalcopyrite concentrate and low grade ore, Randol Copper Hydromet Roundtable 2000, Sept. 5-8, Tucson, AZ.

Olson, G., L. Tucker, and T. R. Clark. 1999. Bioleaching of trace elements from U.S. coals by pyrite-oxidizing bacteria. In Biohydrometallurgy and the Environment Toward the Mining of the 21st Century, Proceedings International Biohydrometallurgy Symposium, R. Amilis and A. Ballester (eds.), Elsevier, Amsterdam, p. 483-492.

Olson, G. J., T. R. Clark, and J. Kelso. 1998. Biooxidation of Metates ore using thermophilic microorganisms. In Proceedings, Randol Gold Forum ‘98, Randol International Limited, Golden, Colorado, p. 261-265.

Clark, T. R., G. J. Olson, L. Tucker, S. Tamowski and S. Olson. 1997. Applications of moderate and extreme thermophiles to heap leaching environments. In Extremophilic Organisms, Harvesting Biodiversity for Industrial Enzyme Applications, San Diego, CA, August 18-19, 1997.

Clark, T. R. and F. F. Roberto. 1996. Methylosinus trichosporium OB3b whole cell methane monooxygenase activity in a biphasic matrix. Applied Microbiology and Biochemistry 45: 658-663.

Clark, T. R., F. Baldi, and G. J. Olson. 1993. Coal depyritization by the thermophilic archaeon, Metallosphaera sedula. Applied Environmental Microbiology 59: 2375-2379.

Clark, T. R. and G. J. Olson. 1993. Biodepyritization of Pittsburgh seam coal: mechanism and implications for process design. In Processing and Utilization of High-Sulfur Coals V., B. K. Parekh and J. G. Groppo (ed.), Elsevier, Amsterdam, p. 323-330.

Clark, T. R. and H. L. Ehrlich. 1992. Copper removal from an industrial waste by bioleaching. J. Industrial Microbiology 9: 213-218.

Patents

Clark, T. R. and F. F. Roberto. Microbial production of epoxides, US 6,576,449 (June 10, 2003).

Cheong, D-Y. and T. R. Clark. Methods for selectively producing hydrogen and methane from biomass feedstocks using an anaerobic biological system. US 8,246,828 (August 21, 2012).

Kummer, W., W. Gutknecht, G. J. Olson, and T. R. Clark. Recovery of molybdenum from molybdenum-bearing sulfide materials by bioleaching in the presence of iron. EP 2 066 819 B1(September 12, 2012).

Kummer, W., W. Gutknecht, G. J. Olson, and T. R. Clark. Recovery of molybdenum from molybdenum-bearing sulfide materials by bioleaching in the presence of iron. US 8,268,037 (September 18, 2012).