| Deposit ID | 10104010 |
|---|---|
| MRDS ID | M232963 |
| Record type | Site |
| Current site name | Bourne Mine |
| Alternate or previous names | North Star Mine North Star, North Star 1-4, Reliance, Minnie B. Claims, Fletcherlease, Buys-Riddle Lease |
| Geographic coordinates: | -115.42258, 41.86684 (WGS84) |
|---|---|
| Elevation | 2286 |
| Relative position | 2000' FT ABOVE MOUTH OF BOURNE |
Political divisions (FIPS codes)
Elko(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Jarbidge South(quadrangle 1:24,000 scale)
Jarbidge Mountains(quadrangle 1:100,000 scale)
Wells(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Bruneau(hydrologic unit)
Middle Snake-Boise(hydrologic accounting unit)
Middle Snake(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Humboldt-Toiyabe National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Nevada | Elko |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 046N | 058E | 16,21 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Quartz | Gangue |
| Result | S:02 72.28, NA2 0.20, K20 11.84+ SILICA |
|---|
| Model code | 150 |
|---|---|
| USGS model code | 25c |
| Deposit model name | Epithermal vein, Comstock |
| Mark3 model number | 16 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||||
| Rock unit name | Jarbidge Rhyolite | ||||
| Rock description | Jarbidge Rhyolite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| Rock unit name | Jarbidge Rhyolite |
| Rock description | Jarbidge Rhyolite |
| (1) | -115.42258, 41.86684 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Crater Range |
| General form | TABULAR |
|---|---|
| Strike | N40W |
| Dip | 60NE |
| Width | 34.14M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1909 |
| Discoverer | D.A. Bourne |
| Year of first production | 1911 |
| District name | Jarbidge District |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Elkoro Mines Co. (1920'S) |
| Type of workings | Underground |
|---|---|
| Length | 914.4M |
| Overall depth | 76.2M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M232963 |
SCHRADER, F.C.(1923) JARBIDGE MINING DISTRICT, NV., USGS BULL 741
GRANGER, M.B.(1957) GEOL. & MINL. RES. OF ELKO, CO., NV., NBM BULL 54
SCHRADER, F.C.(1912) A RECONNAISSANCE OF THE JARBIDGE, CONTACT, AND ELK MOUNTAIN MINING DISTRICTS, ELKO CO.,NV., USGS BULL. 497.
SMITH R.M., MINL. RES OF ELKO CO., NEV., USGS OFR 1976-56.
FAIRBANK, AND O'BYRNE, J.F., (1911) JARBIDGE MINING DISTRICT CLAIM MAP.
GRANGER, M.B., (1957)
| Subject category | Comment text |
|---|---|
| Deposit | VEIN |
| Deposit | DEPOSITS WERE 1ST ONES FOUND IN DISTRICT. CONTAINS 2 VEINSF BOURNE VEIN AND NORTH STAR VEIN. PART OF WEST VEIN SYSTEMIN WHICH DEPOSITS ARE MORE IN NATURE OF COMPOSITE VEINS OR LODES THAN OF WELL-DEFINED INDIVIDUAL VEINS. MARKED BY STRONG NW-SE TRENDING OUTCROPS. DISCOVERED AND LOCATED BY D.A. BOURNE IN 1909. SOON AFTERWARD, THE NORTHSTAR MINING AND MILLING CO., OF BOISE. IDAHO WAS ORGANIZED TO DEVELOP THE PROPERTY; DEVELOPMENT WAS CARRIED ON MAINLY BY LESSEES. OVER 1000 FT. OF UNDERGROUND WORKINGS MOSTLY AT THE BOURNE MINE OR FLETCHER LEASE AND AT THE BUYS-RIDDLE LEASE. FLETCHER LEASE WAS OPERATED BY CLARK & FLETCHER OF ELY,NEV. IN 1910-2 TUNNELS ON BOURNE VEIN, 212 AND 200-FT. LONG WITH 300 FT. OR CROSSCUTS, 45-FT UPRAISE, 30. FT WINZE. MAXIMUM WIDTH OF LODE IS 112 FT, AVERAGING 20 FT. WIDE. THE MINE HAD 3000 FT. OF WORKINGS ALL IN OXIDIZED ZONE, DEEPEST DEVELOPMENT 250 FEET. ELKORO MINES CO. PURCHASED THE PROPERTY THE PROPERTY AFTER 1918. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1979 | Depta, Mary J. | Nevada Bureau of Mines and Geology |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.