Geology and ore deposits of the Rico District, Colorado
Professional Paper
723
By: Edwin Thor McKnight
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- Document: Report (pdf)
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Abstract
The Rico district is in the Dolores River valley at the east end of Dolores County in southwestern Colorado. Mining has been actively carried on in the district since 1879. In the early days, silver was the chief product and was mined largely from Newman Hill southeast of the town of Rico. After 1900, the base metals, particularly lead and zinc, mined in other parts of the district, became the major products, though silver remained an important byproduct. The production of the Rico district from 1879 to 1968 has been about 83,000 ounces gold, 14,500,000 ounces silver, 5,600 tons copper, 84,000 tons lead, and 83,000 tons zinc.
Suggested Citation
McKnight, E.T., 1974, Geology and ore deposits of the Rico District, Colorado: U.S. Geological Survey Professional Paper 723, Report: iv, 100 p.; 3 Plates: 39.12 x 30.78 inches or smaller, https://doi.org/10.3133/pp723.
ISSN: 2330-7102 (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geology and ore deposits of the Rico District, Colorado |
| Series title | Professional Paper |
| Series number | 723 |
| DOI | 10.3133/pp723 |
| Year Published | 1974 |
| Language | English |
| Publisher | United States Government Printing Office |
| Publisher location | Washington, D.C. |
| Description | Report: iv, 100 p.; 3 Plates: 39.12 x 30.78 inches or smaller |
| Country | United States |
| State | Colorado |
| Other Geospatial | Rico District |