Sample s_MA-554
NavDat sample number 33723 · RHYOLITE
Sample
| Sample ID | s_MA-554 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.206 |
|---|---|
| Longitude | -121.49 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ADAMS / PACIFIC OCEAN |
| State / province | WASHINGTON |
| Location comment | CLEARWATER CREEK |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.14 | 2.826 | 3.454 |
Analyses
Whole rock
References
- Hildreth, Wes; Lanphere, Marvin A (1994) Potassium-argon geochronology of a basalt-andesite-dacite arc system; the Mount Adams volcanic field, Cascade Range of southern Washington. Geological Society of America Bulletin. 106; 11, Pages 1413-1429. 1994. doi:10.1130/0016-7606(1994)106<1413:PAGOAB>2.3.CO;2