| Counties, states, countries, continents, or oceans | |
| La Paz | county |
| Arizona | state |
| United States | country |
| North America | continent |
| Land | continent |
| Map quadrangles, from USGS or Canadian NTS | |
| Ibex Peak | quadrangle 1:24,000 scale |
| Blythe | quadrangle 1:100,000 scale |
| Salton Sea | quadrangle 1:250,000 scale |
| Watershed boundaries (USGS hydrologic units) | |
| Bouse Wash | hydrologic unit |
| Lower Colorado | hydrologic accounting unit |
| Lower Colorado | hydrologic subregion |
| Lower Colorado | hydrologic region |
| Unit | State | Lithology |
|---|---|---|
| Jurassic granitic rocks | AZ | Jurassic |
| Jurassic to Cambrian metamorphosed sedimentary rocks | AZ | Cambrian to Jurassic |
| Quaternary surficial deposits, undivided | AZ | Quaternary |
| Middle Miocene to Oligocene granitic rocks | AZ | Oligocene to Middle Miocene |
| Middle Miocene to Oligocene volcanic and sedimentary rocks, undivided | AZ | Oligocene to Middle Miocene |
| ID | Data type | Description |
|---|---|---|
| Salton Sea | M/R-D | Salton Sea 5449 line km with spacing 4.80 km over parts of CA-AZ |
| Tract | Deposit Type | Mineralization age |
|---|---|---|
| SB24 | Distal disseminated Ag-Au | Mesozoic - Tertiary |
| SB03 | Skarn Cu | Mesozoic - Tertiary |
| SB20 | Polymetallic replacement + skarn Zn-Pb | Mesozoic - Tertiary |
| SB11 | Porphyry Cu | Laramide |
| SB17 | Porphyry Cu-Au | Laramide |
| SB29 | Epithermal vein, Comstock | Tertiary |
| SB34 | Epithermal vein, quartz-alunite | Tertiary |
| SB39 | Hot-spring Au-Ag | Tertiary |
| Domain | Crust type | Region |
|---|---|---|
| Mojave | Lateral-extensional orogen | Central and Southwest |
| Sample ID | Date collected | Sample type |
|---|---|---|
| 5212916 | 1979-03-20 | Stream sediment sample from dry stream, sieved to greater than 149 microns (+100 mesh) but less than 1,000 microns (-18 mesh), and dried (if necessary) at less than or equal to 110øC. |
| 5212917 | 1979-03-20 | 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. |
| Site name | Development | Commodities |
|---|---|---|
| Mudersbach Copper Camp | Producer | CU AG AU FE |
| Townsend Marble Claims | Past Producer | MBL |
| Excelsior Mine | Past Producer | CU AU FE AG |
| Mudersbach Gypsum | Past Producer | GYP |
| Phoenix and Yuma Mine Groups | Past Producer | FE |
| Tract name | Deposit type | Geology |
|---|---|---|
| Western Sierra Madre Occidental and Laramide Central | porphyry copper | Belt of Late Cretaceous to middle Eocene (Laramide) magmatic arc rocks in the Sierra Madre Occidental, eastern Mexican Basin and Range, and the Mesa Central of north-central Mexico and extensions north in to the U.S |
| Southern California Batholith | porphyry copper | Jurassic-Early Cretaceous island arc(s) of western Baja California, including the western part of the Cretaceous Peninsular Ranges batholith and associated volcanic rocks |
| Sierran Arc | porphyry copper | A composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America |
| Western Mexican Basin and Range and Laramide Southwest | porphyry copper | Late Cretaceous to middle Eocene island arc and continental arc rocks along the western margin of Mexico and extending north into the U.S. |
| 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 |