Tristan Childress

Research Associate at the Bureau of Economic Geology

Research Interests

Economic Geology

Geochemistry and Petrology

Geology

Geophysics

About

My experience ranges from Appalachian orogenic gold, to Zn and Pb exploration in Arctic shales, to isotope and trace element geochemistry in volcanic iron oxide deposits, with a solid education in geology. My research is focused on iron oxide-copper-gold and iron oxide-apatite mineralization in the Chilean Iron Belt. I use trace elements and isotopes in iron oxides to test current genetic models. Current sample sites include Mantoverde Mine, Candelaria Mine, El Laco Mine, Cerro Negro Mine, Mariella Ignacia Mine, Carmen Mine, and others. I completed my PhD program in economic geology at the University of Michigan. I completed my B.S. in geology at the University of South Carolina, with courses taken while visiting the University of Olso and Northern Arizona University.

Publications

Triple Oxygen (δ18O, Δ17O), Hydrogen (δ2H), and Iron (δ56Fe) Stable Isotope Signatures Indicate a Silicate Magma Source and Magmatic-Hydrothermal Genesis for Magnetite Orebodies at El Laco, Chile

Economic Geology / Nov 01, 2020

Childress, T., Simon, A. C., Reich, M., Barra, F., Bilenker, L. D., La Cruz, N. L., Bindeman, I. N., & Ovalle, J. T. (2020). Triple Oxygen (δ18O, Δ17O), Hydrogen (δ2H), and Iron (δ56Fe) Stable Isotope Signatures Indicate a Silicate Magma Source and Magmatic-Hydrothermal Genesis for Magnetite Orebodies at El Laco, Chile. Economic Geology, 115(7), 1519–1536. https://doi.org/10.5382/econgeo.4760

Formation of the Mantoverde iron oxide-copper-gold (IOCG) deposit, Chile: insights from Fe and O stable isotopes and comparisons with iron oxide-apatite (IOA) deposits

Mineralium Deposita / Jan 20, 2020

Childress, T. M., Simon, A. C., Reich, M., Barra, F., Arce, M., Lundstrom, C. C., & Bindeman, I. N. (2020). Formation of the Mantoverde iron oxide-copper-gold (IOCG) deposit, Chile: insights from Fe and O stable isotopes and comparisons with iron oxide-apatite (IOA) deposits. Mineralium Deposita, 55(7), 1489–1504. https://doi.org/10.1007/s00126-019-00936-x

The Geochemistry of Magnetite and Apatite from the El Laco Iron Oxide-Apatite Deposit, Chile: Implications for Ore Genesis

Economic Geology / Nov 01, 2020

La Cruz, N. L., Ovalle, J. T., Simon, A. C., Konecke, B. A., Barra, F., Reich, M., Leisen, M., & Childress, T. M. (2020). The Geochemistry of Magnetite and Apatite from the El Laco Iron Oxide-Apatite Deposit, Chile: Implications for Ore Genesis. Economic Geology, 115(7), 1461–1491. https://doi.org/10.5382/econgeo.4753

Education

The University of Michigan

PhD, Earth and Environmental Sciences / January, 2019

Ann Arbor, Michigan, United States of America

Experience

The University of Texas at Austin Bureau of Economic Geology

Research Associate / November, 2020 — Present

Links & Social Media

ORCID

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