Anomalous concentrations of several metals in iron-formation of the Blue Lead Mountain area, Pennington County, South Dakota
Circular
707
By: William H. Raymond, Robert Ugstad King, and James Jennings Norton
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Abstract
Geochemical sampling of bedrock has revealed anomalous copper, silver, molybdenum, gold, arsenic, mercury, zinc, and cobalt in meta-iron-formation in the Blue Lead Mountain area 5 miles (8 kilometres) north-northwest of Keystone, S. Dak. The anomalies are in complexly folded and faulted iron-formation. Metal content decreases sharply in the surrounding rocks. The extent and intensity of the anomalous areas, despite evidence that previous mining had little success, are sufficient to make this area an interesting target for exploration.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Anomalous concentrations of several metals in iron-formation of the Blue Lead Mountain area, Pennington County, South Dakota |
| Series title | Circular |
| Series number | 707 |
| DOI | 10.3133/cir707 |
| Edition | - |
| Year Published | 1975 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | iii, 14 p. :maps ;26 cm. |
| Google Analytic Metrics | Metrics page |