| Deposit ID | 10072087 |
|---|---|
| MRDS ID | W015925 |
| Record type | Site |
| Current site name | Gemmill Prospect |
| Alternate or previous names | Olson |
| Related records | 10266105 |
| Geographic coordinates: | -116.69883, 46.71876 (WGS84) |
|---|---|
| Elevation | 792 |
| Relative position | 3.5 MI ESE OF TROY |
Political divisions (FIPS codes)
Latah(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Little Bear Ridge(quadrangle 1:24,000 scale)
Potlatch(quadrangle 1:100,000 scale)
Pullman(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Clearwater(hydrologic unit)
Clearwater(hydrologic accounting unit)
Lower Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Idaho | Latah |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 039N | 003W | 15 | Idaho |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Primary |
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Covellite | Ore |
| Diopside | Gangue |
| Epidote | Gangue |
| Garnet | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Result | ASSAYS OF 8 REPRESENTATIVE SAMPLES VARIED FROM 1.07 TO 3.48% CU, 0.2 TO 1.4 OZ. AG, AND 0.02 TO 0.04 OZ AU. |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
| Rock unit name | Granodiorite Or Granite | ||||||
| Rock description | Granodiorite Or Granite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Belt Supergroup |
| Rock description | Belt Supergroup-Injection Gneiss, Schist, Limestone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -116.69883, 46.71876 |
|---|
| General form | IRREGULAR |
|---|---|
| Strike | E-W |
| Dip | 90 DEG |
| Length | 762M |
| Width | 2.44M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Troy District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | B. Nelson, Troy Sillimanite Co., Al And Bob Olson |
| Type | Owner |
|---|---|
| Owner | L. Osvog |
| Type of workings | Surface/Underground |
|---|---|
| Length | 30.48M |
| Overall depth | 24.38M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W015925 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | PL_124 | http://www.idahogeology.org/ |
EASTMAN, E. A., 1925, A GEOLOGICAL STUDY OF THE COPPER OUTCROPS NEAR TROY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, B. S. THESIS, 15 P.
HUBBARD, C. R., 1956, IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT., 1 P.
HUBBARD, C. R., 1957, MINERAL RESOURCES OF LATAH COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPT. 2, 29 P.
Varley, Thomas, Wright, C.A., Soper, E.K., and Livingston, D.C., 1919, A preliminary report on the mining districts of Idaho: U.S. BUReau of MINES BULLetin 166, p. [available online at http://digital.library.unt.edu/ark:/67531/metadc12364/m1/1/]
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1976 | Miller, Pat J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.