| Deposit ID | 10104113 |
|---|---|
| MRDS ID | M242072 |
| Record type | Site |
| Current site name | Log Spring Mine |
| Geographic coordinates: | -117.6512, 37.39245 (WGS84) |
|---|---|
| Elevation | 2134 |
| Relative position | 3.3 MILES BY ROAD SOUTH OF NEVADA HIGHWAY 3 BY WAY OF CUCOMUNGO CANYON ROAD |
Political divisions (FIPS codes)
Esmeralda(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sylvania Mountains(quadrangle 1:24,000 scale)
Last Chance Range(quadrangle 1:100,000 scale)
Goldfield(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Fish Lake-Soda Spring Valleys(hydrologic unit)
Central Nevada Desert Basins(hydrologic accounting unit)
Central Nevada Desert Basins(hydrologic subregion)
Great Basin(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management NV)
Bureau of Land Management NV BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Nevada | Esmeralda |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 006S | 039E | 28 | NE | Nevada |
| Commodity | Importance |
|---|---|
| Talc-Soapstone | Primary |
| Clay | Secondary |
| Materials | Type of material |
|---|---|
| Talc | Ore |
| Calcite | Gangue |
| Mica | Gangue |
| Chlorite | Unknown |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Dolomite |
| Rock unit name | Reed Dolomite |
| Rock description | Reed Dolomite |
| (1) | -117.6512, 37.39245 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Faults |
| General form | LENTICULAR TO IRREGULAR |
|---|---|
| Strike | E-W TO NE-SW |
| Dip | VARIABLE; 35-45 TO NEAR VERTICAL. |
| Thickness | 6.1M |
| Length | 121.92M |
| Width | 91.44M |
| General form | LENTICULAR TO IRREGULAR |
|---|---|
| Strike | E-W TO NE-SW |
| Dip | VARIABLE; 35-45 TO NEAR VERTICAL. |
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1940 |
| Discoverer | W.E. Mac Boyle And M.D. Mac Boyle |
| Year of first production | 1956 |
| Year of last production | 1972 |
| District name | Sylvania (Green Mountain) District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Operator |
|---|---|
| Owner | Sutton, William |
| First year | 1972 |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 21.34M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M242072 |
PAPKE, K.G., 1975, NBMG BULL 84, P. 50-52
PAPKE, K.G., 1975, P. 50.
| Subject category | Comment text |
|---|---|
| Deposit | ORE BODIES OCCUR IN AN AREA 400 FT BY 300 FT. MOST STRIKE E-W TO NE-SW AND ARE IN FAULT CONTACT WITH ADJACENT DOLOMITE. UNFAULTED CONTACTS ARE SHARP WITH UP TO ONE-INCH SELVAGES OF TALC, CALCITE AND CHLORITE REPLACING DOLOMITE. UNREPLACED DOLOMITE MASSES UP TO 10 FT IN DIAMETER ARE PRESENT IN ORE BODIES. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1982 | La Pointe, D.D. (Tingley, J.V.) | 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.