Gravel Cap Mine (Oak Springs Mine; Oak Springs Gravel Cap Mine), Northeast Carrizo Mountains Mining District, Carrizo Range, Apache County, Arizona, USAi
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Latitude & Longitude (WGS84):
36° 45' 18'' North , 109° 3' 5'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Beclabito | 317 (2011) | 10.0km |
| Teec Nos Pos | 730 (2011) | 18.7km |
| Shiprock | 8,295 (2011) | 32.6km |
| Red Mesa | 480 (2011) | 38.9km |
| Sanostee | 371 (2011) | 40.0km |
A former U-V occurrence/mine located in sec. 36, T39N, R31E, G&SRM, near the head of Oak Spring Wash.
Mineralization is carnotite and tyuyamunite in irregular, tabular layers hosted in Late Jurassic claystone, siltstone and sandstone of the Salt Wash Member of the Morrison Formation. The ore body is 1.83 meters thick. Ore is found in clusters, usually associated with carbonaceous detritus. Calcite partly cements most of the sandstone host rock and the ore has a high lime content. The ore zone occurs 54 feet above the lower contact with Bluff sandstone. Channeling and cross-lamination noted. Tyuyamunite disseminated in unevenly bedded, light gray, fine-grained Salt Wash sandstone with blue-green clay seams and carbon matter. The ore zone is 54 feet above the Bluff Sandstone contact and along sandstone-mudstone
contacts, in sedimentary structure and associated with carbon matter. Local rocks include rocks of the Glen Canyon Group.
Workings include underground openings comprised of a 400 foot incline, a 150 foot shaft, drifts, stopes and room and pillar operations.
Production was 5,112 tons @ 0.23% U3O8; 2.28% V2O5 (1949, 1954-1959, 1962, 1966) of ore with grade ranging from 0.1 to 0.3% U3O8 and 2.1 to 3.2% V2O5.
There may be additional scattered resources.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 References: |
| ⓘ Carnotite Formula: K2(UO2)2(VO4)2 · 3H2O References: |
| ⓘ Tyuyamunite Formula: Ca(UO2)2(VO4)2 · 5-8H2O References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Carnotite | 4.HB.05 | K2(UO2)2(VO4)2 · 3H2O |
| ⓘ | Tyuyamunite | 4.HB.25 | Ca(UO2)2(VO4)2 · 5-8H2O |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Carnotite | K2(UO2)2(VO4)2 · 3H2O |
| H | ⓘ Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Carnotite | K2(UO2)2(VO4)2 · 3H2O |
| O | ⓘ Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O |
| K | Potassium | |
| K | ⓘ Carnotite | K2(UO2)2(VO4)2 · 3H2O |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O |
| V | Vanadium | |
| V | ⓘ Carnotite | K2(UO2)2(VO4)2 · 3H2O |
| V | ⓘ Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O |
| U | Uranium | |
| U | ⓘ Carnotite | K2(UO2)2(VO4)2 · 3H2O |
| U | ⓘ Tyuyamunite | Ca(UO2)2(VO4)2 · 5-8H2O |
Other Databases
| Link to USGS MRDS: | 10026960 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Colorado PlateauShield
- Great Plains DomainDomain
USA
- Arizona & Utah
- Apache; Navajo and San Juan Cos.
- Colorado Plateau
- Apache; Navajo and San Juan Cos.
- Colorado PlateauPlateau
- ⭔Navajo Nation Indian ReservationReservation
- New Mexico
- San Juan County
- ⭔Navajo Nation ReservationReservation
- San Juan County
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