| Deposit ID | 10060187 |
|---|---|
| MRDS ID | TC10145 |
| Record type | Site |
| Current site name | Garcia Gypsum |
| Alternate or previous names | National Gypsum |
| Geographic coordinates: | -110.68985, 32.83149 (WGS84) |
|---|---|
| Location accuracy | 2000(meters) |
| Relative position | E SIDE OF SAN PEDRO VALLEY, 8 1/2 MILES N OF MAMMOTH. |
Political divisions (FIPS codes)
Pinal(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lookout Mountain(quadrangle 1:24,000 scale)
Mammoth(quadrangle 1:100,000 scale)
Tucson(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower San Pedro(hydrologic unit)
San Pedro-Willcox(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management AZ)
Bureau of Land Management AZ BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Arizona | Pinal |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 7S | 16E | 10,14 | Arizona |
| Commodity | Importance |
|---|---|
| Gypsum-Anhydrite | Primary |
| Materials | Type of material |
|---|---|
| Gypsum | Ore |
| Result | WHITE TO GRAYIST WHITE, GRANULAR TO MICROCRYSTALLINE GYPSUM BEDS |
|---|---|
| Result | GRADE VARIES BUT MOSTLY +90% GYPSUM |
| Model code | 261 |
|---|---|
| USGS model code | 35b.4 (35b.9) |
| Deposit model name | Lacustrine gypsum |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Unconsolidated Deposit > Silt | ||||
| Rock unit name | Gila Group | ||||
| Rock description | Gila Group | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| (1) | -110.68985, 32.83149 |
|---|
| Thickness | 2.44M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Large |
| Significant | No |
| Production years | ACTIVE IN 1966 |
| Type | Operator |
|---|---|
| Owner | National Gypsum Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC10145 |
PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES, 185 P.
KEITH, S.B., 1969, GYPSUM, IN USGS, AZ BUREAU OF MINES, AND U.S. BUREAU OF RECLAMATION, MINERAL AND WATER RESOURCES OF ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 180, 638 P.
BLAKE, W.P., 1904, GYPSUM DEPOSITS OF ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 223, 129 P.
STONE, R.W., 1920, GYPSUM DEPOSITS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY BULLETIN 697, 326 P.
PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.
CIMRI
AZ BUREAU OF MINES BULLETIN 180, P 375.
| Subject category | Comment text |
|---|---|
| Deposit | MAY BE AREALLY EXTENSIVE. EXPOSED NEAR SURFACE WHERE MINED, BUT BURIED TO S AND E AND ERODED AWAY TO W AND N EXCEPT IN ISOLATED RESUAL HILLS. IN THIS AREA, A ZONE AT LEAST 100 FT THICK CONTAINS THICK (1-8 FT), MASSIVE, WHITE TO GRAYSIH WHITE, GRANULAR TO MICROCRYSTALLINE, FLAT-LYING GYPSUM BEDS. THE GYPSUM BEDS ARE SEPARATED BY THIN LAYERS OF CALCAREOUS AND GYPSIFEROUS SHALE AND SILT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1989 | Bolm, Karen S. | U.S. Geological Survey | |
| Updater | 01-SEP-1992 | Orris, Greta J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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