| Deposit ID | 10019940 |
|---|---|
| MRDS ID | DC12004 |
| Record type | Site |
| Current site name | Nicholson Mine |
| Alternate or previous names | Ridgeway |
| Geographic coordinates: | -112.01197, 45.59434 (WGS84) |
|---|---|
| Elevation | 2896 |
| Relative position | 15.8 MI N 77 E OF TWIN BRIDGES |
Political divisions (FIPS codes)
Madison(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Noble Peak(quadrangle 1:24,000 scale)
Butte South(quadrangle 1:100,000 scale)
Dillon(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Jefferson(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Beaverhead-Deerlodge National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Madison |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 003S | 003W | 07 | NE OF NE | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Quartz | Gangue |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| Rock unit name | Tobacco Root Quartz Monzonite |
| Rock description | Tobacco Root Quartz Monzonite |
| (1) | -112.01197, 45.59434 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Tobacco Root Batholith |
| Type of structure | Local |
| Structure description | Bismark Fault |
| Strike | N 40 E |
|---|---|
| Dip | 90 |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | So. Boulder District |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | Nicholson Brothers |
| Home office | Harrison |
| First year | 1949 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC12004 |
REYNER, M.L., 1950, DIRECTORY OF MINING PROPERTIES-1949: MONT. BUREAU OF MINES AND GEOL., MEMOIR 31, P. 69.
TRAUERMAN, C.J., 1940, DIRECTORY OF MINING PROPERTIES; MONT. BUREAU OF MINES AND GEOL., MEMOIR 20, P. 74.
E. CATHER, USBM, SPOKANE, PERSONAL COMM. 1983
CONSV. DIV. COMP. DATE, 03-03-1961
USBM PROD RECORDS, SPOKANE
| Subject category | Comment text |
|---|---|
| Deposit | SULPHIDE ORE IN LOWER TUNNEL. ; INFO.SRC : 1 PUB LIT; 5 PERS COMM |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-JUL-1980 | Loen, Jeffrey S. (Pearson, Robert C.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.