| Deposit ID | 10098497 |
|---|---|
| MRDS ID | M060194 |
| Record type | Site |
| Current site name | Cook Prospect |
| Alternate or previous names | Arrowhead Lease |
| Related records | 10294530 |
| Geographic coordinates: | -113.60093, 46.73739 (WGS84) |
|---|---|
| Elevation | 1524 |
| Relative position | 3 1/2 MILES NW OF RAVENNA, MONTANA |
Political divisions (FIPS codes)
Missoula(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ravenna(quadrangle 1:24,000 scale)
Missoula East(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Clark Fork(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Missoula |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 011N | 016W | 03 | NE OF SW | Montana |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Gold | Secondary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Pyrolusite | Ore |
| Wad | Ore |
| Chalcedony | Gangue |
| Result | LODE MATERIAL 11 TO 30% MN, 3 TO 8% FE 1 TO 9% CAO TRACE AU & AG |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||
| |||
| (1) | -113.60093, 46.73739 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | High Angle Reverse Fault Trending Nw And Dipping 50 Deg. Sw Separates Precambrian And Cambrian Rock. |
| Type of structure | Local |
| Structure description | High Angle Reverse Fault Is Sw Limit Of Ore |
| General form | TABULAR-IRREGULAR |
|---|---|
| Thickness | 10.67M |
| Length | 60.96M |
| Width | 12.19M |
| Depth to top | 0M |
| Depth to bottom | 24.38M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1917 |
| Discoverer | A.B. Cook |
| Year of first production | 1917 |
| District name | Garnet Range Area |
|---|
| Type | Operator |
|---|---|
| Owner | Pioneer Corp. Of Idaho |
| Type | Owner |
|---|---|
| Owner | Anaconda Co. |
| Year | 1956 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| Description | Ap_Grade: ^41 % Mn | ||||||||||||||
| |||||||||||||||
| Type of workings | Unknown |
|---|---|
| Overall length | 60.96M |
| Overall width | 12.19M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060194 |
MBMG BULL 8, P. 15, 32
MBMG BULL 8.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Puffett, Willard P. | U.S. Geological Survey | |
| Updater | 01-JUN-1981 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.