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Sample HC-98
NavDat sample number 51681 · ANDESITE
Sample
| Sample ID | HC-98 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.8679 |
|---|
| Longitude | -121.527 |
|---|
| Location | Precaldera volcanic rocks |
|---|
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 3.72 |
|
3.38 |
4.06 |
|
|
References
- Tucker, David; Hildreth, Wes; Ullrich, Tom; Friedman, Richard (2007) Geology and complex collapse mechanisms of the 3.72 Ma HanneganCaldera, north Cascades, Washington, USA. Geological Society of America Bulletin, vol.119, no.3-4, pp.329-342,Apr 2007 doi:10.1130/B25904.1