Economic Geology, Geochemistry Studies, Hydrothermal Systems
Associated with Igneous Activity
Ph.D. – Virginia Polytechnic Institute and State University: 1990
Research interests include the physical and chemical evolution of hydrothermal ore systems, fluid evolution in magmatic systems, and the use of fluid inclusions to constrain ore deposit evolution. Recent projects have centered on understanding the genesis of Carlin-type and volcanic-hosted gold, Climax-type molybdenum, and porphyry copper systems. Petrography, fluid inclusion analyses, and U-Pb geochronology were recently used to constrain the history of fluid flux at the potential Yucca Mountain high level nuclear waste repository site. Research has been supported by the National Science Foundation, the Department of Energy, and several mining companies including Barrick Goldstrike Mines, Newmont Mining Company, and Placer Dome Exploration.
Gopon, P, Douglas, JO, Auger, MA, Hansen, L, Wade, J, Cline, JS, Robb, LJ, and Moody, MP, 2019, A Nanoscale Investigation of Carlin-type Gold Deposits: An Atom-scale Elemental and Isotopic Perspective: Economic Geology, v. 114, no. 6, p. 1123-1133.
Xie, Z, Xia,Y, Cline, JS, Pribil, M.J., Koenig, A, Tan, QP, Wei, DT, Wang, ZP, and Yan, J, 2018, Magmatic Origin for Sediment-hosted Au Deposits, Guizhou Province, China: In Situ Chemistry and Sulfur Isotope Composition of Pyrites, Shuiyindong and Jinfeng Deposits: Economic Geology, v. 113, no. 7, p. 1627–1652.
Lubben, J., Cline, J.S., and Barker, S., 2012, Silicification across the Betze-Post Carlin-type Au deposit: Clues to ore fluid properties and sources, northern Carlin trend, Nevada: Economic Geology, v. 107, p. 1351-1385. (Nominated for Economic Geology best paper in 2012)
*Hofstra, A.H., and Cline, J.S., 2000, Characteristics and models for Carlin-type gold deposits, in, Thompson, T.B., ed., Society of Economic Geology Reviews, v. 13, Gold in 2000, Denver, CO, p. 163-220.
Cline, J S., and Bodnar, R. J., 1991, Can economic porphyry copper mineralization be generated by a “typical” calc-alkaline melt?: Journal of Geophysical Research, v. 96, no. B5, p. 8113-8126. (390 citations)
Dr. Cline has twice been selected as “Professor Worthy of Recognition” by the department’s outstanding undergraduate students. Classes taught in recent years include:
Geology 335 – Earth Resources and the Environment
Geology 330 – Introduction to Geochemistry
Geology 370 – Intermediate Field Geology
Geology 477 – Geology of Metallic Ore Deposits
Geology 490 – Microtechniques in Geoscience
Geology 677 – Geology of Metallic Ore Deposits
Geology 690 – Microtechniques in Geoscience
Geology 701 – Research Methods in Geoscience