← Search
Sample USGS-D2381B
NavDat sample number 4961 · TUFF
Sample
| Sample ID | USGS-D2381B |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | R.C. Speed, Northwestern Univ. |
|---|
| Comment | This tuff is correlated with map unit Tv18 of Page 1959 and is correlated lithologically with tuff 20 km southwest of Candelaria on Nevada Highway 10 which gave the following ages: sanidine 22.2 +/- 0.6 2? m.y., plagioclase 22.9 +/- 1.3 2? m.y. Gilbert and others, 1968. Unit 9 is also known, informally, as the tuff of Candelaria Junction. |
|---|
Location
| Latitude | 38.1511 |
|---|
| Longitude | -118.061 |
|---|
| Location | Mineral County |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Mina-Candelaria Region |
|---|
| Location comment | approx. 2.5 km ESE of Candelaria townsite |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 22.2 |
|
21.4 |
23 |
|
R.F. Marvin, H.H. Mehnert, and V.M. Merritt, U.S. Geological Survey |
Analyses
No chemical analyses are stored for this sample.
