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Scientific Investigations Report 2007–5289

Recent U.S. Geological Survey Studies in the Tintina Gold Province, Alaska, United States, and Yukon, Canada—Results of a 5-Year Project

Edited by Larry P. Gough and Warren C. Day

Abstract

Thumbnail of and link to report PDF (84.4 MB)

This report presents summary papers of work conducted between 2002 and 2007 under a 5-year project effort funded by the U.S. Geological Survey Mineral Resources Program, formerly entitled "Tintina Metallogenic Province: Integrated Studies on Geologic Framework, Mineral Resources, and Environmental Signatures." As the project progressed, the informal title changed from "Tintina Metallogenic Province" project to "Tintina Gold Province" project, the latter being more closely aligned with the terminology used by the mineral industry. As Goldfarb and others explain in the first chapter of this report, the Tintina Gold Province is a convenient term used by the mineral exploration community for a "region of very varied geology, gold deposit types, and resource potential."

The Tintina Gold Province encompasses roughly 150,000 square kilometers, bounded by the Kaltag-Tintina fault system on the north and the Farewell-Denali fault system on the south. It extends westward in a broad arc, some 200 km wide, from northernmost British Columbia, through the Yukon, through southeastern and central Alaska, to southwestern Alaska. The climate is subarctic and, in Alaska, includes major physiographic delineations and ecoregions such as the Yukon-Tanana Upland, Tanana-Kuskokwim Lowlands, Yukon River Lowlands, and the Kuskokwim Mountains.

Although the Tintina Gold Province is historically important for some of the very first placer and lode gold discoveries in northern North America, it has recently seen resurgence in mineral exploration, development, and mining activity. This resurgence is due to both new discoveries (for example, Pogo and Donlin Creek) and to the application of modern extraction methods to previously known, but economically restrictive, low-grade, bulk-tonnage gold resources (for example, Fort Knox, Clear Creek, and Scheelite Dome). In addition, the Tintina Gold Province hosts numerous other mineral deposit types, possessing both high and low sulfide content, which are not currently in development.

First posted March 29, 2010

  • Report PDF (82.5 MB)
  •                 Cover and opening pages (7.3 MB)

                    Chapter A (19.9 MB)

                    Chapter B (7.8 MB)

                    Chapter C (5.8 MB)

                    Chapter D (12.1 MB)

                    Chapter E (8.8 MB)

                    Chapter F (4.4 MB)

                    Chapter G (8.9 MB)

                    Chapter H (4.6 MB)

                    Chapter I (3.4 MB)

                    Chapter J (4.6 MB)

                    Chapter K (193 KB)

    (Note: When printing out the PDF files, the quality of the colored figures may depend on the quality of the printer.)

For additional information contact:
U.S. Geological Survey
Eastern Mineral Resources Science Center
12201 Sunrise Valley Drive, MS 954
Reston, VA 20192
703-648-6327
http://minerals.usgs.gov/east/index.html

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.


Suggested citation:

Gough, L.P., and Day, W.C., eds., 2010, Recent U.S. Geological Survey studies in the Tintina Gold Province, Alaska, United States, and Yukon, Canada—Results of a 5-Year Project: U.S. Geological Survey Scientific Investigations Report 2007–5289, 148 p.



Contents

Cover and opening pages—Recent U.S. Geological Survey Studies in the Tintina Gold Province, Alaska, United States, and Yukon, Canada—Results of a 5-Year Project, Edited by Larry P. Gough and Warren C. Day


Chapter A—Geology and Origin of Epigenetic Lode Gold Deposits, Tintina Gold Province, Alaska and Yukon, by Richard J. Goldfarb, Erin E. Marsh, Craig J.R. Hart, John L. Mair, Marti L. Miller, and Craig Johnson


Chapter B—Tectonic Setting and Metallogenesis of Volcanogenic Massive Sulfide Deposits in the Bonnifield Mining District, Northern Alaska Range, by Cynthia Dusel-Bacon, John N. Aleinikoff, Wayne R. Premo, Suzanne Paradis, and Ilana Lohr-Schmidt


Chapter C—Matching Magnetic Trends and Patterns Across the Tintina Fault, Alaska and Canada—Evidence for Offset of About 490 Kilometers, by Richard W. Saltus


Chapter D—The Black Mountain Tectonic Zone—A Reactivated Northeast-Trending Crustal Shear Zone in the Yukon-Tanana Upland of East-Central Alaska, by J. Michael O'Neill, Warren C. Day, John N. Aleinikoff, and Richard W. Saltus


Chapter E—Mapping Known and Potential Mineral Occurrences and Host Rocks in the Bonnifield Mining District Using Minimal Cloud- and Snow-Cover ASTER Data, by Bernard E. Hubbard, Cynthia Dusel-Bacon, Lawrence C. Rowan, and Robert G. Eppinger


Chapter F—Aufeis Accumulations in Stream Bottoms in Arctic and Subarctic Environments as a Possible Indicator of Geologic Structure, by Richard B. Wanty, Bronwen Wang, Jim Vohden, Warren C. Day, and Larry P. Gough


Chapter G—Surface-Water, Ground-Water, and Sediment Geochemistry of Epizonal and Shear-Hosted Mineral Deposits in the Tintina Gold Province—Arsenic and Antimony Distribution and Mobility, by Seth H. Mueller, Richard J. Goldfarb, Philip L. Verplanck, Thomas P. Trainor, Richard F. Sanzolone, and Monique Adams


Chapter H—Landscape Geochemistry Near Mineralized Areas of Eastern Alaska, by Bronwen Wang, Larry P. Gough, Richard B. Wanty, James G. Crock, Gregory K. Lee, Warren C. Day, and Jim Vohden


Chapter I—Environmental Geochemical Study of Red Mountain—An Undisturbed Volcanogenic Massive Sulfide Deposit in the Bonnifield District, Alaska Range, East-Central Alaska, by Robert G. Eppinger, Paul H. Briggs, Cynthia Dusel-Bacon, Stuart A. Giles, Larry P. Gough, Jane M. Hammarstrom, and Bernard E. Hubbard


Chapter J—The Biogeochemistry and Occurrence of Unusual Plant Species Inhabiting Acidic, Metal-Rich Water, Red Mountain, Bonnifield District, Alaska Range, by Larry P. Gough, Robert G. Eppinger, and Paul H. Briggs


Chapter K—U.S. Geological Survey Reports on the Tintina Gold Province—Products of Recent Mineral Resources Program Studies, by Larry P. Gough


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