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Sample A-33
NavDat sample number 7259 · DIORITE
Sample
| Sample ID | A-33 |
|---|
| Rock name | DIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.5447 |
|---|
| Longitude | -114.32 |
|---|
| Location | Bitterroot Mountains |
|---|
| State / province | Montana |
|---|
| Volcanic field | Idaho Batholith, Bitterroot Lobe/Dome |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 73.6 |
|
67.6 |
79.6 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Bickford, M E; Chase, R B; Nelson, B K; Shuster, R D; Arruda, E C (1981) U-Pb studies of zircon cores and overgrowths, and monazite;implications for age and petrogenesis of the northeastern IdahoBatholith. Journal of Geology, vol.89, no.4, pp.433-457, Jul 1981 doi:10.1086/628607
