Activities in 'Alaska'

Wrangell-St. Elias National Park and Preserve
description: Recently completed environmental geochemical study of 4 historic mining districts (Cu-Au skarn, stratabound Cu, epithermal Au, and placer Au) and 2 unmined deposits (porphyry Co-Mo) within the park. Publications: USGS Professional Paper 1619, http://pubs.usgs.gov/pp/2000/p1619/, USGS Open-File Report 99-342, http://pubs.usgs.gov/of/1999/ofr-99-0342/.
more information: Robert G. Eppinger, GD, MRP, Denver, CO; Danny Rosenkrans, NPS, Wrangell-St. Elias NP, Copper Center, AK.
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Denali National Park and Preserve
description: Recently completed environmental geochemical study of the Slate Creek mine area (epithermal Sb), part of a belt of Sb deposits in the Kantishna mining district. Publication: USGS Professional Paper 1662, soon to be accessible at URL http://geopubs.wr.usgs.gov/prof-paper/pp1662/chap8.pdf.
more information: Robert G. Eppinger, GD, MRP, Denver, CO.
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Bonnifield mining district, east of Healy
description: On-going study beginning in FY03 to define pre-mining baseline geochemical conditions, bedrock geology, and metallogeny of unmined volcanogenic massive sulfide deposits presently being explored in the district, including the well-exposed unmined Red Mountain (Dry Creek) deposit. Publication: Eppinger, R.G., Briggs, P.H., and Dusel-Bacon, C., 2004, Environmental Geochemistry of an Undisturbed Volcanogenic Massive Sulfide Deposit, Red Mountain, Bonnifield mining district, east-central Alaska, in Wanty, R.B., and Seal, R.R.II (eds.) Proceedings of the 11th International Symposium on Water-Rock Interaction [extended abstract], Lisse, The Netherlands, Taylor and Francis.
more information: Robert G. Eppinger, GD, MRP, Denver, CO, Cynthia Dusel-Bacon, GD, MRP, Menlo Park, CA.
Project URL:http://minerals.usgs.gov/west/projects/tint.shtml