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Sample 79A-17
NavDat sample number 7263 · GRANODIORITE
Sample
| Sample ID | 79A-17 |
|---|
| Rock name | GRANODIORITE |
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| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
|---|
| Comment | unit is sheared |
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Location
| Latitude | 46.26 |
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| Longitude | -114.24 |
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| Location | Bitterroot Mountains |
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| State / province | Montana |
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| Volcanic field | Idaho Batholith, Bitterroot Lobe/Dome |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47.7 |
|
46.7 |
48.7 |
|
|
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
