Counties, states, countries, continents, or oceans | |
Sacramento | county |
California | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Folsom | quadrangle 1:24,000 scale |
Sacramento | quadrangle 1:100,000 scale |
Sacramento | quadrangle 1:250,000 scale |
Watershed boundaries (USGS hydrologic units) | |
Lower American | hydrologic unit |
Lower Sacramento | hydrologic accounting unit |
Sacramento | hydrologic subregion |
California | hydrologic region |
Unit | State | Lithology |
---|---|---|
Eocene nonmarine rocks, unit 1 (Northern and Central California) | CA | Eocene |
Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges) | CA | Permian to Tertiary; most Mesozoic |
Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains) | CA | Triassic to Late Jurassic |
Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains) | CA | Jurassic |
Quaternary alluvium and marine deposits | CA | Pleistocene to Holocene |
Plio-Pleistocene and Pliocene loosely consolidated deposits | CA | Miocene to Pleistocene |
ID | Data type | Description |
---|---|---|
North Sierra Foothills | M-D | North Sierra Foothills 8481 line km with spacing 0.80 km over parts of CA |
Sacramento 2011 | M-D | Sacramento 2011 -9999 line km with spacing 0.80 km over parts of CA |
N. Great Valley South | M-Dz | N. Great Valley South 9253 line km with spacing 1.60 km over parts of CA |
Sacramento | M/R-D | Sacramento 5005 line km with spacing 4.80 km over parts of CA |
Tract | Deposit Type | Mineralization age |
---|---|---|
PC03 | Skarn Cu | Mesozoic |
PC08 | Porphyry Cu | Mesozoic |
PC17 | Massive sulfide, Sierran kuroko | Jurassic |
PC17 | Massive sulfide, Sierran kuroko | Jurassic |
PC40 | Low-sulfide Au-quartz vein | Mesozoic |
Domain | Crust type | Region |
---|---|---|
Foothills-Wallowa | Oceanic arc | Western Cordillera |
Deposit name | Deposit type | Commodity |
---|---|---|
Folsom | Surficial | gold |
Sample ID | Date collected | Sample type |
---|---|---|
5190347 | 1980-04-15 | Stream sediment sample from dry stream, sieved to less than 149 microns (-100 mesh), and dried (if necessary) at less than or equal to 110øC. |
5190348 | 1980-04-15 | Soil sample sieved to less than 149 microns (-100 mesh). |
5190354 | 1980-04-15 | Soil sample sieved to less than 149 microns (-100 mesh). |
5190355 | 1980-04-15 | Soil sample sieved to less than 149 microns (-100 mesh). |
5190356 | 1980-04-15 | Soil sample sieved to less than 149 microns (-100 mesh). |
5190357 | 1980-04-15 | Soil sample sieved to less than 149 microns (-100 mesh). |
Sample ID | Date collected | Sample type |
---|---|---|
1110244 | 1980-04-19 | Well water sample filtered through a 0.8 micron filter at the site. |
1110245 | 1980-04-19 | Well water sample filtered through a 0.8 micron filter at the site. |
1110276 | 1980-04-23 | Well water sample filtered through a 0.8 micron filter at the site. |
1110277 | 1980-04-23 | Well water sample filtered through a 0.8 micron filter at the site. |
Site name | Development | Commodities |
---|---|---|
American River Area | Producer | AU |
Prarie City | Past Producer | AU AG |
Blue Ravine | Occurrence | AU |
Merritt-Savin Construction Co. | Past Producer | SDG |
Placer Deposit | Occurrence | AU |
Mississippi Bar Pit | Producer | SDG |
American River Area | Past Producer | AU PGE_PT AG |
Unnamed Location | Occurrence | AU |
Merritt-Savin Construction Co. | Past Producer | SDG |
Folsom Prison | Producer | GRT |
Dredge Tailings | Prospect | AU |
Kiefe Estate | Past Producer | AU AG |
Unnamed Location | Occurrence | AU |
Unidentified | Occurrence | AU |
American River Area | Past Producer | AU |
Placer Deposits | Occurrence | AU |
Unnamed Placer | Unknown | AU |
Folsom Prison | Past Producer | GRT |
Mississippi Bar Pit | Producer | CLY_FR |
Sample ID | Sample source | Rock name |
---|---|---|
14427 | Outcrop or artificial surface exposure | Granodiorite |
Sample ID | Sample source | Sample notes |
---|---|---|
C240366 | stream/river | NURE Archived Stream Sediment |
Sample ID | Sample source | Sample notes |
---|---|---|
C239306 | unknown | NURE Archive SOILS |
C239312 | unknown | NURE Archive SOILS |
C239313 | unknown | NURE Archive SOILS |
C239314 | unknown | NURE Archive SOILS |
C239315 | unknown | NURE Archive SOILS |
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 |
Sierran Arc | porphyry copper | A composite island-continental margin arc that formed during subduction of the Farallon Plate 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 |