Sample 128.65
NavDat sample number 37181 · ANDESITE
Sample
| Sample ID | 128.65 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.3887 |
|---|---|
| Longitude | -115.227 |
| Location | Lochsa River section |
| State / province | Idaho |
| Volcanic field | Idaho Batholith, Bitterroot Lobe, mafic dike |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 53.1 | 49.9 | 56.3 |
Analyses
No chemical analyses are stored for this sample.
References
- Foster, David A; Fanning, C Mark (1997) Geochronology of the northern Idaho Batholith and the Bitterrootmetamorphic core complex; magmatism preceding and contemporaneous withextension. Geological Society of America Bulletin, vol.109, no.4, pp.379-394, Apr1997 doi:10.1130/0016-7606(1997)109<0379:GOTNIB>2.3.CO;2