| Deposit ID | 10046244 |
|---|---|
| MRDS ID | M241110 |
| Record type | Site |
| Current site name | Boras Mine |
| Geographic coordinates: | -109.91343, 31.41292 (WGS84) |
|---|---|
| Elevation | 1646 |
| Relative position | APPROX. 2 1/4 MI. W OF WARREN. (TOPO. SHOWS BORAS IN SEC. 21.) |
Political divisions (FIPS codes)
Cochise(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Bisbee(quadrangle 1:24,000 scale)
Douglas(quadrangle 1:100,000 scale)
Douglas(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper San Pedro(hydrologic unit)
San Pedro-Willcox(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Arizona | Cochise |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 023S | 024E | 21 | S OF NE OF SW | Arizona |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Tertiary |
| Gold | Tertiary |
| Manganese Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Pyrite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Abrigo Formation; Martin Formation |
| Rock description | Abrigo Formation; Martin Formation |
| (1) | -109.91343, 31.41292 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Pre-Mineralization Faulting And Tilting Common |
| Type of structure | Local |
| Structure description | Main Fault Direction, N10w To N40e, S30w To N50w, Pre-Mineralization |
| General form | IRREGULAR, PIPE-LIKE |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1917 |
| Discoverer | Boras Leasing Co. |
| District name | Warren District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Phelps Dodge Corp., Boras Leasing Co. |
| Type of workings | Underground |
|---|---|
| Overall depth | 335.28M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M241110 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040030028 |
KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 85.
FARNHAM, USBM IC 7990, P. 21
KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.
| Subject category | Comment text |
|---|---|
| Deposit | IRREGULAR, PIPE-LIKE, REPLACEMENT OREBODIES OF PARTLY OXIDIZED COPPER MINERALIZATION ALONG FAULT ZONES IN LIMESTONE. IRREGULAR AND SPOTTY STRINGERS, VEINLETS, AND PODS OF HARD MANGANESE OXIDES ALONG FISSURES AND AS REPLACEMENTS IN LIMESTONE. |
| Deposit | NOTE BISBEE TOPO. (1958) SHOWS BORAS MINE IN SEC. 20. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1980 | Zigler, Jan L. | U.S. Geological Survey | |
| Updater | 01-JAN-1982 | Laraba, Peter (Gest, Don E.) | 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.