Relationships of calcium carbonate to lithology and vanadium-uranium deposits in Salt Wash sandstone of southwestern Colorado
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Abstract
This study was made to determine whether any relationship exists between lithology or vanadium-uranium deposits and calcium carbonate content in the Salt Wash member of the Morrison formation of Jurassic age. Results indicate that altered gray-green mudstone contains less carbonate than does unaltered red-brown mudstone. No significant difference exists between the carbonate content of unaltered light red sandstone and altered light gray sandstone. Within the sandstone there are carbonate-rich zones adjacent to contacts with mudstone. Calcium carbonate content and ore grade are not related, although carbonate-rich zones parallel the ore bodies. These carbonate-rich zones may possibly be used as an ore guide. The present distribution of calcium carbonate could have resulted from early diagenesis with later redistribution during mineralization.
Suggested Citation
Archbold, N.L., 1956, Relationships of calcium carbonate to lithology and vanadium-uranium deposits in Salt Wash sandstone of southwestern Colorado: U.S. Geological Survey Open-File Report 56-2, 27 p., https://doi.org/10.3133/ofr562.
ISSN: 2331-1258 (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Relationships of calcium carbonate to lithology and vanadium-uranium deposits in Salt Wash sandstone of southwestern Colorado |
| Series title | Open-File Report |
| Series number | 56-2 |
| DOI | 10.3133/ofr562 |
| Year Published | 1956 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 27 p. |
| Country | United States |
| State | Colorado |