Geochemical data for samples collected in 2008 near the concealed pebble porphyry Cu-Au-Mo deposit, Southwest Alaska
Open-File Report
2009-1239
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Abstract
In the summer of 2007, the U.S. Geological Survey (USGS) began an exploration geochemical research study over the Pebble porphyry copper-gold-molybdenum deposit. This report presents the analytical data collected in 2008. The Pebble deposit is world class in size, and is almost entirely concealed by tundra, glacial deposits, and post-Cretaceous volcanic rocks. The Pebble deposit was chosen for this study because it is concealed by surficial cover rocks, is relatively undisturbed (except for exploration company drill holes), is a large mineral system, and is fairly well-constrained at depth by the drill hole geology and geochemistry. The goals of this study are to 1) determine whether the concealed deposit can be detected with surface samples, 2) better understand the processes of metal migration from the deposit to the surface, and 3) test and develop methods for assessing mineral resources in similar concealed terrains. The analytical data are presented as an integrated Microsoft Access 2003 database and as separate Excel files.
Suggested Citation
Fey, D.L., Granitto, M., Giles, S.A., Smith, S.M., Eppinger, R.G., Kelley, K., 2009, Geochemical data for samples collected in 2008 near the concealed pebble porphyry Cu-Au-Mo deposit, Southwest Alaska: U.S. Geological Survey Open-File Report 2009-1239, Report: xi, 107 p.; 1 Plate: 36 x 36 inches, https://doi.org/10.3133/ofr20091239.
ISSN: 2331-1258 (online)
ISSN: 0196-1497 (print)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geochemical data for samples collected in 2008 near the concealed pebble porphyry Cu-Au-Mo deposit, Southwest Alaska |
| Series title | Open-File Report |
| Series number | 2009-1239 |
| DOI | 10.3133/ofr20091239 |
| Year Published | 2009 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Central Region Mineral Resources Science Center |
| Description | Report: xi, 107 p.; 1 Plate: 36 x 36 inches |
| Country | United States |
| State | Alaska |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | Y |