Black Rock Springs deposit, Mohave County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Black Rock Springs deposit | Deposit |
| Mohave County | County |
| Arizona | State |
| USA | Country |
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Key
Latitude & Longitude (WGS84):
36° 48' 41'' North , 113° 43' 14'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Littlefield | 308 (2011) | 20.4km |
| Beaver Dam | 1,962 (2011) | 21.2km |
| Scenic | 1,643 (2017) | 26.1km |
| Mesquite | 17,496 (2017) | 30.8km |
| Saint George | 72,897 (2011) | 34.7km |
Other/historical names associated with this locality:
Black Rock Springs area
A gypsum occurrence located in sec. 5, T39N, R13W (and/or in the center sec. 33, T39N, R12W ?), G&SRM, about 25 miles S of St. George, Utah, on private land. The USGS MRDS database stated accuracy for this locality is 500-1,000 meters.
The 2 MRDS records present conflicting data regarding this locality. MRDS file #10060169 places it in sec. 5, T39N, R13W and contains a statement that "Legal description corrected as per description and map in Reeside and Bassler and in McKee."
Mineralization is a gypsum deposit hosted in Late Triassic shale and the Kaibab Limestone of the Moenkopi Formation. Ore is in lenses. 22 feet of red shale with prominent beds of bluish gypsum, 17 feet of reddish gypsum, 10 feet of impure yellowish brown gypsum, and 43 feet of pinkish gypsum occur here. Local rocks include rocks of the Moenkopi Formation.
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Standard Detailed Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Rock Types Recorded
Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramList of minerals arranged by Strunz 10th Edition classification
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
|---|---|---|---|
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
List of minerals arranged by Dana 8th Edition classification
| Group 29 - HYDRATED ACID AND NORMAL SULFATES | |||
|---|---|---|---|
| AXO4·xH2O | |||
| ⓘ | Gypsum | 29.6.3.1 | CaSO4 · 2H2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| O | Oxygen | |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| S | Sulfur | |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| Ca | Calcium | |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Reeside, J.B., Jr. & H. Bassler (1922), Stratigraphic sections in southwestern Utah and northwestern Arizona, USGS Professional Paper 129-D: 53-77.
McKee, E.D. (1938), The environment and history of the Toroweap and Kaibab formations of northern Arizona and southern Utah: Carnegie Institute Washington Publication 492.
Withington, C.F. (1962), Gypsum and Anhydrite in the United States, USGS Mineral Investigation Resource Map MR-33, 18 pp.
Keith, S.B. (1969), Gypsum, in USGS & Arizona Bureau of Mines, and U.S. Bureau of Reclamation, Mineral and water resources of Arizona, Arizona Bureau of Mines Bulletin 180.
Elevatorski, E.A. (1978), Arizona Industrial Minerals, Arizona Department of Mineral Resources, Mineral Report No. 2: 42.
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.
U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS), U.S. Bureau of Mines, file ID #0040151178.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10060169 & 10259365.
USGS MRDS ID #TC10126.
Other Databases
| USGS MRDS Record: | 10060169 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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