| Deposit ID | 10046050 |
|---|---|
| MRDS ID | M233963 |
| Record type | Site |
| Current site name | Errington and Thie/Group |
| Alternate or previous names | Big Mica, Holiday? |
| Geographic coordinates: | -115.44533, 40.39909 (WGS84) |
|---|---|
| Relative position | DAWLEY CANON AREA |
Political divisions (FIPS codes)
Elko(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Franklin Lake NW(quadrangle 1:24,000 scale)
Ruby Lake(quadrangle 1:100,000 scale)
Elko(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Long-Ruby Valleys(hydrologic unit)
Central Nevada Desert Basins(hydrologic accounting unit)
Central Nevada Desert Basins(hydrologic subregion)
Great Basin(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 |
|---|---|---|---|---|---|
| 29N | 58E | 09,08 | Nevada |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Primary |
| Iron | Secondary |
| Uranium | Tertiary |
| Materials | Type of material |
|---|---|
| Mica | Ore |
| Albite | Gangue |
| Andalusite | Gangue |
| Biotite | Gangue |
| Garnet | Gangue |
| Hematite | Gangue |
| Muscovite | Gangue |
| Oligoclase | Gangue |
| Phlogopite | Gangue |
| Quartz | Gangue |
| Sillimanite | Gangue |
| Zircon | Gangue |
| Model code | 46 |
|---|---|
| USGS model code | 15a |
| Deposit model name | W veins |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||||
| Rock unit name | Harrison Pass Granite | ||||||||
| Rock description | Harrison Pass Granite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Pegmatite |
| (1) | -115.44533, 40.39909 |
|---|
| General form | TABULAR |
|---|---|
| Strike | N-S |
| Dip | 80E |
| Length | 91.44M |
| Width | 3.05M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1926 |
| District name | Valley View (Ruby Range) |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | Mutual Mica Co. (1920'S) |
| Type of workings | Surface/Underground |
|---|---|
| Length | 9.14M |
| Overall depth | 3.66M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M233963 |
SMITH, ROSCOE M., MINERAL RESOURCES OF ELKO COUNTY, NEVADA, USGS OPEN FILE REPORT, 1976-56.
GARSIDE, LARRY J, (1973) RADIOACTIVE MINERAL OCCURRENCES IN NEVADA, NBM BULL 81.
HUNT, S.F., (1936) MINING GEOLOGY OUTLINE, RENO
SMITH, R.M., (1976)
| Subject category | Comment text |
|---|---|
| Deposit | PEGMATITE DIKES CONTAINING 10-20% SHEETS & BOOKS OF MICA. BERYL CRYSTALS UP TO 3 INCHES IN DIAMETER. |
| Deposit | THIS PROPERTY WAS UNDER DEVELOPMENT IN 1926 BY THE MUTUAL MICA CO.; IN 1928 MORE CLAIMS WERE STAKED COVERING THE PEGMATITE DIKES THAT CONTAIN MICA AND BERYL. TWO DIKES IN DAWLEY CANYON WERE OPENED BY A 12 FT DEEP PIT AND A 30 FT ADIT. OTHER PITS AND ADITS WERE DUG TO EXPLORE FOR BERYL AND MICA. SOME BERYL WAS SHIPPED FOR SPECIMENT, AND METALLORGICAL TESTING. ABOUT 250 LBS OF TRIMMED SHEET MICA WAS SHIPPED. THE DIKES WERE 6 FT - 10 FT WIDE, AND 300 FT LONG. SHEET AND BOOK OF MICA 3 IN - 6 IN SQUARE CONSTITUTE 10-20% OF THE PEGMATITE DIKE. THE BERYL OCCURS AS SPARSE CRYSTAL UP TO 3 IN IN DIAMETER IN WHITE, GREEN, AND AZURE HUES. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1979 | 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.