Counties, states, countries, continents, or oceans | |
Sonoma | county |
California | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
The Geysers | quadrangle 1:24,000 scale |
Healdsburg | quadrangle 1:100,000 scale |
Santa Rosa | quadrangle 1:250,000 scale |
Watershed boundaries (USGS hydrologic units) | |
Russian | hydrologic unit |
Northern California Coastal | hydrologic accounting unit |
Klamath-Northern California Coastal | hydrologic subregion |
California | hydrologic region |
Unit | State | Lithology |
---|---|---|
Franciscan Complex, unit 1 (Coast Ranges) | CA | Jurassic to Cretaceous |
Franciscan melange | CA | Jurassic to Cretaceous |
ID | Data type | Description |
---|---|---|
Clear Lake '95 | M-D | Clear Lake '95 10058 line km with spacing 0.45 km over parts of CA |
Clear Lake '72 | M-Dz | Clear Lake '72 1680 line km with spacing 1.60 km over parts of CA |
Santa Rosa | M/R-D | Santa Rosa 1646 line km with spacing 9.60 km over parts of CA |
Tract | Deposit Type | Mineralization age |
---|---|---|
PC39 | Low-sulfide Au-quartz vein | Mesozoic |
PC11 | Massive sulfide, Besshi | Mesozoic |
PC34 | Hot-spring Au-Ag | Tertiary |
Domain | Crust type | Region |
---|---|---|
Franciscan | Accretionary wedge | Western Cordillera |
Sample ID | Rock type | Rock name |
---|---|---|
W185529 | metamorphic | metagraywacke |
Site name | Development | Commodities |
---|---|---|
Red Hill Claim | Past Producer | CR HG |
Red Hill | Past Producer | CR FE |
Truitt No. 1 | Past Producer | HG |
Deposit name | Deposit type | Location |
---|---|---|
Red Hill | Past Producer | California, United States |
Red Hill Claim | Past Producer | California, United States |
Tract name | Deposit type | Geology |
---|---|---|
Cascade Arc | porphyry copper | U.S. part of a continental margin arc that formed during subduction of the Pacific and Juan de Fuca plates beneath western North America |
Western U.S. and Sonoran Desert Jurassic Arc | porphyry copper | U.S. and Mexican parts of a composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America |
Feature ID | Feature type | Feature name |
---|---|---|
Prospect Pit | point | |
Prospect Pit | point |