| Deposit ID | 10101207 |
|---|---|
| MRDS ID | C010951 |
| Record type | Site |
| Current site name | Northern Belle Qtz |
| Alternate or previous names | Thomas Electrum |
| Geographic coordinates: | -121.03325, 39.17183 (WGS84) |
|---|---|
| Elevation | 792 |
| Relative position | 3 MI. SSE GRASS VALLEY |
Political divisions (FIPS codes)
Nevada(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Grass Valley(quadrangle 1:24,000 scale)
Yuba City(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Bear(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Nevada |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 015N | 008E | 12,01 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Quartz | Gangue |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase |
| (1) | pre-Cenozoic metasedimentary and metavolcanic rocks undivided |
|---|
| Strike | N |
|---|---|
| Dip | 25 - 45 W |
| Thickness | 0.61M |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Grass Valley |
|---|
| Type of workings | Underground |
|---|---|
| Length | 91.44M |
| Overall depth | 39.62M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | C010951 |
CHANDLER, J. W., 1941 , MINING METHODS AND COSTS OF THE LAVA CAP GOLD MINING CORPORATION, NEVADA CITY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , P. 427 .
MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 211 .
| Subject category | Comment text |
|---|---|
| Deposit | VEIN, 2 FT. THICK |
| Deposit | PATENTED 21.17 ACRES ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1979 | Bowman, J. And Albers, J. | U.S. Geological Survey |
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.