| Deposit ID | 60000983 |
|---|---|
| MRDS ID | M055652 |
| Record type | District |
| Current site name | East Mayacmas District Report |
| Geographic coordinates: | -122.30105, 38.19989 (WGS84) |
|---|---|
| Relative position | Found San Francisco, California and approximated a location about 70 miles north in Napa county. |
Political divisions (FIPS codes)
Napa(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cuttings Wharf(quadrangle 1:24,000 scale)
Napa(quadrangle 1:100,000 scale)
Santa Rosa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Pablo Bay(hydrologic unit)
San Francisco Bay(hydrologic accounting unit)
San Francisco Bay(hydrologic subregion)
California(hydrologic region)
Federal lands
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | California | Napa |
| United States | California | Lake |
| Commodity | Importance |
|---|---|
| Mercury | Primary |
| Chromium Critical | Secondary |
| Copper | Tertiary |
| Manganese Critical | Tertiary |
| (1) | -122.30105, 38.19989 |
|---|
| Type of structure | Local |
|---|---|
| Structure name | FAULTING |
| Structure description | LOCAL FAULTS TRENDING NW, LITHOLOGIC CONTACTS |
| Type of structure | Regional |
| Structure name | Anticline |
| Structure description | NW TRENDING ANTICLINE (MAYACMAS ANTICLINE) |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Discovery year | 1850 |
| Year of first production | 1864 |
| District name | EAST MAYACMAS DISTRICT |
|---|
YATES, R. G. AND HILPERT, L. S., 1946, QUICKSILVER DEPOSITS OF THE EASTERN MAYACMAS DISTRICT, LAKE AND NAPA COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42 P. 231 - 286
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.