| Deposit ID | 10239000 |
|---|---|
| MAS/MILS ID | 0060970164 |
| Record type | Site |
| Current site name | Madeira |
| Alternate or previous names | Healdsburg Marble Co.. |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -123.01718, 38.57928 (WGS84) |
| Elevation | 427 |
| Location accuracy | 500(meters) |
Political divisions (FIPS codes)
Sonoma(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cazadero(quadrangle 1:24,000 scale)
Point Arena(quadrangle 1:100,000 scale)
Santa Rosa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Russian(hydrologic unit)
Northern California Coastal(hydrologic accounting unit)
Klamath-Northern California Coastal(hydrologic subregion)
California(hydrologic region)
Federal lands
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | California | Sonoma |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 009 N | 010 W | 31 | C SWSW | California |
| Commodity | Importance |
|---|---|
| Magnesite | Primary |
| Ore Body (1) | -123.01718, 38.57928 |
|---|
| Operation type | Surface |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060970164 |
D.O.M. BULL. 79, P.91; CALIF. JOUR. MINES & GEO. V.46, NO.1
1950, P.96.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 04-NOV-1983 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
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.