| Deposit ID | 10007283 |
|---|---|
| MRDS ID | C010987 |
| Record type | Site |
| Current site name | Central North Star |
| Geographic coordinates: | -121.06715, 39.19489 (WGS84) |
|---|---|
| Elevation | 671 |
| Relative position | 1.5 MI. S 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 | 03 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Quartz | Gangue |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase |
| (1) | -121.06715, 39.19489 |
|---|
| Strike | E |
|---|---|
| Dip | 20 - 52 N |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Grass Valley |
|---|
| Type of workings | Underground |
|---|---|
| Overall depth | 51.82M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | C010987 |
LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .
HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY, CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 277 .
CRAWFORD, J. J., 1894 , REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 12 , P. 187 .
| Subject category | Comment text |
|---|---|
| Deposit | VEINS, 3 , AVG. 2 FT. THICK |
| Deposit | PATENTED 14.75 ACRES. SEE NORTH STAR. 2 CLAIMS. ; 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.