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Sample USGS-D2390R
NavDat sample number 4960 · ANDESITE
Sample
| Sample ID | USGS-D2390R |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | R.C. Speed, Northwestern Univ. |
|---|
| Comment | This basalt is map unit Tv8 of Page 1959. |
Location
| Latitude | 38.1444 |
|---|
| Longitude | -118.092 |
|---|
| Location | Mineral County |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Mina-Candelaria Region |
|---|
| Location comment | approx. 1.5 km S. of Candelaria townsite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 15.7 |
|
15.2 |
16.2 |
|
R.F. Marvin, H.H. Mehnert, and V.M. Merritt, U.S. Geological Survey |
Analyses
No chemical analyses are stored for this sample.