Role of fluid mixing and fault-related sulfide in the origin of the Ray Point uranium district, south Texas
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Abstract
The Lamprecht and Felder deposits are roll-type deposits hosted by the Miocene Oakville Sandstone. Four distinct stages of FeS 2 mineral formation are recognized: (1) a generation of isotopically light (delta 34 S < -20 per mil) preore pyrite, (2) a generation of isotopically light (delta 34 S < -20 per mil) marcasite that formed mostly before, but also during ore deposition, (3) a postore generation of isotopically heavy pyrite (delta 34 S > 0 per mil), and (4) a yet later generation of marcasite with isotopically light sulfur close to the values of stages 1 and 2. Complex zone of mixing between saline brines migrating up the fault from depth and oxygenated meteoric water recharging at the outcrop. Bacterial activity.
Suggested Citation
Goldhaber, M., Reynolds, R.L., Rye, R.O., 1983, Role of fluid mixing and fault-related sulfide in the origin of the Ray Point uranium district, south Texas: Economic Geology, v. 78, no. 6, p. 1043-1063, https://doi.org/10.2113/gsecongeo.78.6.1043.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Role of fluid mixing and fault-related sulfide in the origin of the Ray Point uranium district, south Texas |
| Series title | Economic Geology |
| DOI | 10.2113/gsecongeo.78.6.1043 |
| Volume | 78 |
| Issue | 6 |
| Publication Date | October 01, 1983 |
| Year Published | 1983 |
| Language | English |
| Publisher | Society of Economic Geologists |
| Description | 21 p. |
| First page | 1043 |
| Last page | 1063 |