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Kyle Eastman

Kyle Eastman


Economic Geologist—Assistant Professor
Phone: (406) 496-4348
Email: keastman@mtech.edu
MBMG—Butte
1300 West Park Street
Butte, MT 59701


  • Biographical Information
  • Outreach & Presentations
  • Publications

Education

2017—M.S., Geosciences, Montana Technological University
2010—B.S., Geology, Northern Arizona University

Biography & Research Interests

Kyle is an economic geologist at the MBMG and conducts field-based critical mineral prospectivity studies. Kyle?s research interests include magmatic-hydrothermal ore systems and supergene processes, and he has worked on porphyry-epithermal-skarn projects in Australia, Indonesia, and South America. Kyle is a passionate mineral collector and enjoys mountain biking and rock climbing.

Date Citation
5/16/2024 Acosta, M., Eastman, K.A., Reed, M., Moore, J., Griffith, A., 2024, Quartz-molybdenite mylonites of the Butte porphyry Cu-Mo deposit, Geological Society of America 2024 Joint Cordilleran and Rocky Mountain Section Meeting, Spokane, Washington, May 15-17.
5/16/2024 Dilles, J.H., Kirkland, C.L., Olierook, H.K.H., Drollner, M., Clevenger, J., Way, R.A.M., Miggins, D.P., Acito, S., Scarberry, K.C., Eastman, K.A., Olson, N., 2024, Zircon age and geochemistry of granites related to porphyry and polymetallic mineral deposits of the eastern Elkhorn Mountains and Boulder Batholith, Montana, Geological Society of America 2024 Joint Cordilleran and Rocky Mountain Section Meeting, Spokane, Washington, May 15-17.
5/16/2024 Eastman, K.A., Rossi, A., Anderson E.D., Dilles, J.H., Lehman, M.R., 2024, Critical minerals prospectivity, geochemistry, and alteration mineralogy of magmatic-hydrothermal mineral systems in the Radersburg and Giant Hill 7.5? quadrangles, southwestern Montana, Geological Society of America 2024 Joint Cordilleran and Rocky Mountain Section Meeting, Spokane, Washington, May 15-17.
5/16/2024 LaBudda, E.E., Eastman, K.A., Gammons, C.H., Lehman, M.R., Scarberry, K.C., 2024, Geochemistry and hyperspectral mineralogy of the Boulder porphyry Cu-Mo prospect, southwestern Montana, Geological Society of America 2024 Joint Cordilleran and Rocky Mountain Section Meeting, Spokane, Washington, May 15-17 (poster).
5/15/2024 Anderson, E.D., Funk, J., Eastman, K.A., Scarberry, K.C., Rossi, A., Guzman, M., Magnin, B., Mercer, C., Cosca, M., Lund, K., and Dilles, J.H., 2024, Earth MRI geophysical data provide insights into the geology and mineral systems of the Radersburg and Elkhorn mining districts, Montana, Geological Society of America 2024 Joint Cordilleran and Rocky Mountain Section Meeting, Spokane, Washington, May 15-17.
5/15/2024 Gammons, C.H., Eastman, K.A., Beaucamp, C., Thompson, J., 2024, Trace metal composition of fluorescent sphalerite from Butte, Montana, Geological Society of America 2024 Joint Cordilleran and Rocky Mountain Section Meeting, Spokane, Washington, May 15-17.
11/26/2020 Cloutier, J., Eastman, K.A., Escolme, A., and Zhang, L., 2020, Tujuh Bukit--Resolving phyllosilicate mineralogy using FT-NIR microscopy: AMIRA P1202 Sponsors Meeting 5, 25-26 November 2020, p. 311-327.
11/25/2020 Osorio, J., Zhang, L., Belousov, I., Orovan, E., Eastman, K.A., and Hamilton, P., 2020, White mica composition at Rincones de Araya and Encuentro porphyry copper systems: AMIRA P1202 Sponsors Meeting 5, 25-26 November 2020, p. 177-203.
11/25/2020 Seow, X.N., Zhang, L., White, N., Sun, Y., Orovan, E., Eastman, K.A., Coaquira, T., and Jimenez, C., 2020, Aluminium phosphate-sulfate (APS) minerals: AMIRA P1202 Sponsors Meeting 5, 25-26 November 2020, p. 95-117.
11/25/2020 Zhang, L., Eastman, K.A., Escolme, A., Seow, X.N., Cooke, D.R., and White, N., 2020, Tujuh Bukit, East Java, Indonesia: AMIRA P1202 Sponsors Meeting 5, 25-26 November 2020, p. 70-94.
7/24/2020 Seow, X.N, Zhang, L., Orovan, E., White, N., Cooke, D.R., Eastman, K.A., Cracknell, M., Barker, S., and Rodrigues, A., 2020, Buckskin lithocap, Yerington, Nevada: AMIRA P1202 Sponsors Module 2 Workshop, 24 July 2020, p. 71-107.
5/6/2020 Zhang, L., Sun, Y., Seow, X., Hamilton, P., Orovan, E., White, N., Cooke, D.R., Eastman, K.A., Barker, S., Cracknell, M., and Rodrigues, A., 2020, P1202 Module 2 lithocap program: AMIRA P1202 Sponsors Meeting 4, Hobart, 6-7 May 2020, p. 79-120.
11/26/2019 Eastman, K.A., Escolme, A., Zhang, L., and Halley, S., 2019, Clay mineralogy of the East Block, upper high grade target, Tujuh Bukit, East Java, Indonesia: AMIRA P1202 Sponsors Meeting 3 (2), Hobart, 26-28 November 2019, p. 281-309.
10/14/2019 Eastman, K.A., Escolme, A., Zhang, L., and Cooke, D.R., 2019, Geological and geometallurgical characterization of porphyry deposit alteration overprints: UTAS STEM Graduate Research Day, Hobart, Australia.
10/3/2019 Escolme, A., Halley, S., Zhang, L., Eastman, K.A., Bartlett, J., and Taube, R., 2019, Integrating geochemistry and SWIR to inform deposit wide mineralogy at Tujuh Bukit: AMIRA P1202 Sponsors Meeting 3, Santiago, 3-4 October 2019, p. 593-629.
10/3/2019 Orovan, E., Eastman, K.A., Zhang, L., and Hamilton, P., 2019, Rincones de Araya: phyllosilicate overprint: AMIRA P1202 Sponsors Meeting 3, Santiago, 3-4 October 2019, p. 562-592.
10/3/2019 Seow, X., Zhang, L., Cracknell, M., Meffre, S., Danyushevsky, L., Orovan, E., Eastman, K.A., and Rodrigues, A., 2019, Lithocap exploration tool--Alunite: AMIRA P1202 Sponsors Meeting 3, Santiago, 3-4 October 2019, p. 397-419.
10/3/2019 Zhang, L., White, N., Orovan, E., Cooke, D.R., Eastman, K.A., and Rodrigues, A., 2019, Lithocap exploration tool--rutile textures and chemistry: AMIRA P1202 Sponsors Meeting 3, Santiago, 3-4 October 2019, p. 306-336.
6/5/2019 Eastman, K.A., Escolme, A., Zhang, L., Cooke, D.R., and Bartlett, J., 2019, Overprinting textures at the Tumpangpitu porphyry-epithermal system, East Java, Indonesia: AMIRA P1202 Sponsors Meeting 2, Hobart, 5-6 June 2019.
6/5/2019 Eastman, K.A., Orovan, E., Zhang, L., Halley, S., Escolme, A., and Hamilton, P., 2019, Rincones de Araya: a Module 4 active exploration site: AMIRA P1202 Sponsors Meeting 2, Hobart, 5-6 June 2019, p. 415-450.
6/5/2019 Zhang, L., Amin, F.M., Thompson, J., Belousov, I., Orovan, E., Eastman, K.A., White, N.C., and Cooke, D.R., 2019, Rutile: Vectoring and Fertility Assessment Potential: AMIRA P1202 Sponsors Meeting 2, Hobart, 5-6 June 2019, p. 223-247.
6/5/2019 Zhang, L., White, N.C., Cooke, D.R., Sun, Y., Orovan, E., Eastman, K.A., Hamilton P., and Jedemann, A., 2019, P1202 module 2 lithocap program--an introduction: AMIRA P1202 Sponsors Meeting 2, Hobart, 5-6 June 2019, p. 157-168.
11/28/2018 Eastman, K.A., Escolme, A., Zhang, L., Cooke, D.R., 2018. The transition zone at the Tumpangpitu porphyry, Tujuh Bukit District, East Java, Indonesia. AMIRA P1202 Sponsors Meeting 2, Hobart, 28-29 November 2018, p. 449-488.
8/7/2018 Eastman, K.A., 2018, Supergene mineralization of the Continental Pit, Butte, Montana USA: Gordon Research Conference, Geochemistry of Mineral Deposits--Mineralizing Processes Across all Scales; Waterville Valley, New Hampshire, USA, Aug 5-10, 2018.
10/13/2017 Eastman, K.A., and Allin, N.C., 2017, Secondary Pb-Zn mineralogy of the Summit Mine, Radersburg District, Montana: Montana Bureau of Mines and Geology symposium; Butte, Montana, USA, October 11-14, 2017.
5/18/2016 Eastman, K.A., Gammons, C.H., Messenger, J.M., Zimmerman, J., Poulson, S.R., Hnanou, H., and Kaplan, J.M., 2016, Geochemical investigation of the Hecla District; a magmatic-hydrothermal Pb-Zn-Ag carbonate replacement deposit, Beaverhead County, Montana: Geological Society of America Rocky Mountain Section Meeting; Moscow, Idaho, USA, May 18-19, 2016.
Year Citation
2024 Van Rythoven, A., Scarberry, K., and Eastman, K., 2024, Preliminary data release of whole-rock assays from active and inactive minerals and metal mines in southwest Montana: Montana Bureau of Mines and Geology Analytical Dataset 10.
2023 Eastman, Kyle A., Gammons, Christopher H., Goemann, Karsten, and Griffith, Amanda, 2023, Supergene Turquoise and Associated Phosphate Minerals of the Porphyry-Lode System at Butte, Montana, USA: The Canadian Mineralogist, v. 60, no. 6, p. 1013?1026, doi: https://doi.org/10.3749/canmin.2100068
2023 Eastman, Kyle, 2023, Mineral deposits of Beaverhead County, Montana: Montana Bureau of Mines and Geology Fact Sheet 9, 4 p.
2023 Scarberry, K., and Eastman, K., 2023, Critical commodity research in western Montana: Montana Bureau of Mines and Geology Fact Sheet 7, 4 p.
2023 Van Rythoven, A., Scarberry, K., and Eastman, K., 2023, Preliminary data release of whole-rock assays from active and inactive mines in southwest Montana: Montana Bureau of Mines and Geology Analytical Dataset 7.
2021 Gammons, C.H., Doolittle, M.F., Eastman, K.A., and Poulson, S.R., 2021, Geochemistry of natural acid rock drainage in the Mt. Evans area, Anaconda-Pintler Range, Montana, USA, Geochemistry: Exploration, Environment, Analysis, 28 p.
2017 Eastman, K.A., 2017, Supergene mineralization of the Continental Pit, Butte, Silver Bow County, Montana, MS Thesis: Montana Tech of the University of Montana, 216 p.
2017 Eastman, K.A., Doolittle, M.F., Gammons, C.H., and Poulson, S.R., 2017, The Mt. Evans gossan: A source of natural acid rock drainage and a possible source of metals and sulfur for the Butte orebodies: Northwest Geology, v. 46, 67-74.
2016 Eastman, K.A., Gammons, C.H., Messenger, J.M., Zimmerman, J., Poulson, S.R., Hnanou, H., and Kaplan, J.M., 2016, Geochemical investigation of the Hecla District; a magmatic-hydrothermal Pb-Zn-Ag carbonate replacement deposit, Beaverhead County, Montana, in Montana mining and mineral symposium proceedings, 2016: Montana Bureau of Mines and Geology Open-File Report 685, p. 10-20.
2015 Vineyard, M., Sherimkulova, A., Welk, E., Eastman, K.A., Hagan, T., Thomson, C., Smith, L.N., Chambers, M., Machinal, M., Mack, A., and Hofland, N., 2015, Glacial geology and geomorphological features of the Lincoln Area, Lewis and Clark and Powell Counties, Montana: Northwest Geology, v. 44, p. 47-54.