| Deposit ID | 10071776 |
|---|---|
| MRDS ID | W015328 |
| Record type | Site |
| Current site name | Jensen Group Mine |
| Related records | 10159916 |
| Geographic coordinates: | -115.07096, 45.19848 (WGS84) |
|---|---|
| Elevation | 1829 |
| Relative position | 3 MI NE OF ALCORN BUTTE |
Political divisions (FIPS codes)
Idaho(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Acorn Butte(quadrangle 1:24,000 scale)
Warren(quadrangle 1:100,000 scale)
Elk City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Middle Fork Salmon(hydrologic unit)
Salmon(hydrologic accounting unit)
Lower Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Payette National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
Frank Church-River of No Return Wilderness(Wilderness)
Wilderness FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Idaho | Valley |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 021N | 011E | 01 | Idaho |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Result | AVERAGE ASSAYS OF HIGH GRADE ORE RAN 25 TO 40 OZ AU/TON, WITH 15 TO 20 OZ AG/TON |
|---|
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||
| Rock unit name | Dikes-Granophyre;Idaho Batholith-Gneissic Biotite-Quartz Diorite | ||
| Rock description | Dikes-Granophyre;Idaho Batholith-Gneissic Biotite-Quartz Diorite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Rock unit name | Schist, Limestone, Quartzite |
| Rock description | Schist, Limestone, Quartzite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| (1) | Challis Volcanic Group. |
|---|
| General form | BANDED, LENTICULAR, BOTRYOIDAL |
|---|---|
| Strike | N 50 DEG W |
| Dip | 60 DEG NE |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discoverer | Jensen Brothers |
| District name | Big Creek District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | Payette National Forest |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W015328 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | EC_827 | http://www.idahogeology.org/ |
SHENON, P. J., AND ROSS, C. P., 1936, GEOLOGY AND ORE DEPOSITS NEAR EDWARDSBURG AND THUNDER MOUNTAIN, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 44, 45 P
1936 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 4
SHENON, P. J., AND ROSS, C. P., 1936, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 44
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1974 | Miller, Pat J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.