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Sample 97-LT-92A
NavDat sample number 130832 · ANDESITE
Sample
| Sample ID | 97-LT-92A |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Cousens and others |
|---|
| Comment | hornblende andesite blockandash |
|---|
Location
| Latitude | 39.1846 |
|---|
| Longitude | -120.27 |
|---|
| Location | Squaw Peak |
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| State / province | California |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 14 |
|
1 |
28 |
|
|
References
- Cousens, Brian; Prytulak, Julie; Henry, Christopher; Alcazar, Al; Brownrigg, Tim (2008) Geology, geochronology, and geochemistry of the Miocene-Pliocene ancestral Cascades Arc, northern Sierra Nevada, California and Nevada;the roles of the upper mantle, subducting slab, and the Sierra Nevadalithosphere. Geosphere, vol. 4, no. 5, pp.829-853, Oct 2008 doi:10.1130/GES00166.1
