| Deposit ID | 10102024 |
|---|---|
| MRDS ID | DC11300 |
| Record type | Site |
| Current site name | Rock Island Mine |
| Geographic coordinates: | -115.30628, 47.43348 (WGS84) |
|---|---|
| Elevation | 1554 |
| Relative position | APPROX 4 1/2 MI NE OF DEBORGIA, MONT. |
Political divisions (FIPS codes)
Mineral(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
De Borgia North(quadrangle 1:24,000 scale)
Wallace(quadrangle 1:100,000 scale)
Wallace(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Clark Fork(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Lolo National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Mineral |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 019N | 029W | 04 W 1/2 | Montana |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Chrysocolla | Ore |
| Galena | Ore |
| Malachite | Ore |
| Sphalerite | Ore |
| Limonite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Argillite | ||||
| |||||
| (1) | -115.30628, 47.43348 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | A Major Structural Grain Trends Nw And Consists Of Subparallel Faults And Folds. Major Fault Is The Osburn. This Fault Seems To Demarcate A Change In Folding Form With Fold To The North Showing Signs Of More Intense Structural Deformation Than Those To The South |
| General form | POD/LENS |
|---|---|
| Strike | N 33 E |
| Dip | 68NW |
| Length | 48.77M |
| Width | 0.61M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Rock Island District |
|---|
| Ownership category | National Forest |
|---|
| Type of workings | Underground |
|---|---|
| Overall depth | 213.36M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC11300 |
WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 605 .
YOUNG, F. M., CROWLEY, F. A., AND SAHINEN, U. M., 1962 , MARKETING PROBLEMS OF SMALL BUSINESS ENTERPRISES ENGAGED IN LEAD AND ZINC MINING: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 30 , P. 31 .
CONSV. DIV. COMP. DATE, 01-09-1963
WALLACE, R. E. AND HOSTERMAN, J. W., 1956 : US GEOLOGICAL SURVEY BULL. 1027-M, P. 605 .
| Subject category | Comment text |
|---|---|
| Deposit | VEINS DIMENSIONS ARE 50 FT IN STRIKE LENGTH AND AT LEAST 160 FT IN DIP LENGTH. VEIN CONSISTS OF IRREGULAR PODS OF QUARTZ AND SULFIDES ALONG A FAULT ZONE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-MAY-1979 | Rojstaczer, Stuart A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.