| Deposit ID | 10027679 |
|---|---|
| MRDS ID | M003800 |
| Record type | Site |
| Current site name | Cobralla Prospect |
| Related records | 10210801 |
| Geographic coordinates: | -113.72328, 33.88727 (WGS84) |
|---|---|
| Elevation | 655 |
| Relative position | 10 MILES NW OF SALOME. |
Political divisions (FIPS codes)
La Paz(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Harcuvar Peak(quadrangle 1:24,000 scale)
Salome(quadrangle 1:100,000 scale)
Phoenix(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Bouse Wash(hydrologic unit)
Lower Colorado(hydrologic accounting unit)
Lower Colorado(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 | La Paz |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 06N | 014W | 04,15 | Arizona |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Iron | Tertiary |
| Wollastonite | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Hematite | Ore |
| Magnetite | Ore |
| Malachite | Ore |
| Wollastonite | Ore |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist > Mica Schist |
| (1) | -113.72328, 33.88727 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | In The Immediate Vicinity Of The Prospect Holes The Directions Of Dip And Strike Vary Continuously And Local Folding And Faulting Are Pronounced. In The Shaft A Zone Of Intense Movement Is Shown, And The Resulting Brecciated Schist Fragments Form The Main Part Of The Fracture Filling |
| General form | LINEAR |
|---|---|
| Strike | NW |
| Dip | 20NE |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Harcuvar District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M003800 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040270155 |
BANCROFT, HOWLAND; 1911; ORE DEPOSITS IN NORTHERN YUMA COUNTY, ARIZONA: U.S.G.S. BULLETIN 451, P. 103
PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES REPORT 4, 185 P.
| Subject category | Comment text |
|---|---|
| Deposit | WOLLASTONITE REPLACES LIMESTONE IN A CONTACT METAMORPHIC OCCURRENCE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1972 | Gere, W. | U.S. Geological Survey | |
| Updater | 01-OCT-1979 | Hall, R. K. (Creasey, S. C.) | U.S. Geological Survey | |
| Updater | 01-JUL-1990 | Bolm, Karen S. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.