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Geologic field notes, geochemical analyses, and field photographs of outcrops and rock samples from the Big Delta B-1 quadrangle, east-central Alaska
Major element oxide and trace element geochemical analyses, including those for gold, silver, and base metals, for representative rock units and for grab samples from quartz veins and mineralized zones within the quadrangle |
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Photographs of historical mining operations in Colorado and Utah
A collection of photographs of mine sites, mining operations, and tailings taken prior to 1980 at a variety of sites throughout Colorado and Utah. |
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Lithogeochemistry and images of selected drill core samples from the Mineral Hill alkaline complex, Wyoming
Geochemical analysis, photographs and micrographs of rock samples and drill core materials from this area. Data are provided in CSV, images in JPEG format. |
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