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Sample PHA93603
NavDat sample number 43495 · ANDESITE
Sample
| Sample ID | PHA93603 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Andesite of Pine Creek-west lobe |
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Location
| Latitude | 44.9111 |
|---|
| Longitude | -120.436 |
|---|
| State / province | Oregon |
|---|
| Formation | Clarno Formation |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 52.4 |
|
51.2 |
53.6 |
|
|
References
- Bestland, E A; Hammond, P E; Blackwell, D L S; Keys, M A; Retallack, GJ; Stimac, J (2002) Geologic framework of the Clarno Unit, John Day Fossil Beds NationalMonument, central Oregon. Open File Report - State of Oregon, Department of Geology and MineralIndustries, Report: O-02-03, 1 disc, 2002
