| Deposit ID | 10071340 |
|---|---|
| MRDS ID | W014674 |
| Record type | Site |
| Current site name | Maginnis Mine |
| Geographic coordinates: | -109.21968, 47.17659 (WGS84) |
|---|---|
| Elevation | 1532 |
| Relative position | ABOUT 1 MILE EAST OF MAIDEN, MT |
Political divisions (FIPS codes)
Fergus(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Judith Peak(quadrangle 1:24,000 scale)
Lewistown(quadrangle 1:100,000 scale)
Lewistown(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Box Elder(hydrologic unit)
Musselshell(hydrologic accounting unit)
Missouri-Musselshell(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Fergus |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 016N | 020E | 05 | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Telluride | Ore |
| Argentite | Ore |
| Calcite | Gangue |
| Fluorite | Gangue |
| Model code | 84 |
|---|---|
| USGS model code | 22b |
| Deposit model name | Alkaline Au-Te (Au-Ag-Te veins) |
| Mark3 model number | 80 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Syenite | ||||||
| Rock unit name | Gold Hill Syenite Porphyry | ||||||
| Rock description | Gold Hill Syenite Porphyry | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Syenite |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Madison Series, Massive Limestone |
| Rock description | Madison Series, Massive Limestone |
| (1) | -109.21968, 47.17659 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Domal Structures Resulting From Igneous Intrusions |
| Type of structure | Local |
| Structure description | Gold Hill Syenite Porphyry Intrusion |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | Yes |
| Discovery year | 1880 |
| Year of first production | 1881 |
| District name | Warm Springs District |
|---|
| Type | Owner |
|---|---|
| Owner | Helen E. Wieglenda, |
| Home office | Rt. 3, Lewistown, Mt |
| Type of workings | Underground |
|---|---|
| Length | 3000M |
| Overall depth | 300M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014674 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300270020 |
ROBERTSON, A. F., 1950, MINES AND MINERAL DEPOSITS, FERGUS COUNTY, MONT.: U.S. BUREAU OF MINES INF. CIRC. 754
| Subject category | Comment text |
|---|---|
| Deposit | Merged data fron Deposit ID 10196895 (Maginnis Mine) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1976 | Krohn, Douglas H. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.