| Deposit ID | 10108962 |
|---|---|
| MRDS ID | M000039 |
| Record type | Site |
| Current site name | Stella Maris No. 1 Mine |
| Alternate or previous names | Drew Springs |
| Geographic coordinates: | -112.11766, 32.43232 (WGS84) |
|---|---|
| Elevation | 655 |
| Relative position | 9 MILES NW OF GU ACHI |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Drew Spring Well(quadrangle 1:24,000 scale)
Ajo(quadrangle 1:100,000 scale)
Ajo(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Santa Rosa Wash(hydrologic unit)
Santa Cruz(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
BIA(Federal land areas administered by BIA)
| Country | State | County |
|---|---|---|
| United States | Arizona | Pima |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 011S | 002E | 36 | Arizona |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Materials | Type of material |
|---|---|
| Magnetite | Ore |
| Psilomelane | Ore |
| Pyrolusite | Ore |
| Wad | Ore |
| Calcite | Gangue |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -112.11766, 32.43232 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Post-Ore Faulting Is Evident. Folding And Warping Of Limestone. Bedding Plane Fault. |
| General form | SINUOUS |
|---|---|
| Thickness | 3.66M |
| Depth to top | 0M |
| Depth to bottom | 45.72M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year | 1946 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1939 - 1946 | ||||||||||||||
| Material | ORE MN | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Cp_Grade: ^35 - 44 % Mn | ||||||||||||||
| |||||||||||||||
| Year | 1954 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE MN | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^30 - 40 % Mn | ||||||||||||||
| |||||||||||||||
| Year | 1955 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE MN | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^47.6 % Mn | ||||||||||||||
| |||||||||||||||
| Year | 1956 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE MN | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^48 % Mn | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 121.92M |
| Overall depth | 30.48M |
| Overall length | 42.67M |
| Overall width | 12.19M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M000039 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040190014 |
FARNHAM, L. L., STEWART, L. A., AND DELONG, C. W., 1961 , MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM IC 7990 , P. 109 - 111
USBM IC 7990 , P. 110 .
| Subject category | Comment text |
|---|---|
| Deposit | REPLACEMENT IN LIMESTONE THAT HAS BEEN FOLDED AND WARPED, ALONG STRIKE AND DIP IS SINUOUS. MARBLEIZED BEDS ARE ABOUT 40 FEET STRATIGRAPHICALLY ABOVE A RHYOLITE PORPHYRY INTRUSION. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1979 | Johnson, Kris H. (Creasey, S.C.) | 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.