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Sample BRM-12
NavDat sample number 22610 · GRANODIORITE
Sample
| Sample ID | BRM-12 |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | medium-grained, slightly foliated; capped by Proterozoic augen gneiss |
|---|
Location
| Latitude | 46.475 |
|---|
| Longitude | -114.935 |
|---|
| Location | Lochsa River |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Idaho Batholith, Bitterroot Lobe |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 55 |
|
49.6 |
60.4 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|
| PB206_PB204 | 19.247 | | | TIMS |
| PB207_PB204 | 15.644 | | | TIMS |
| PB208_PB204 | 38.976 | | | TIMS |
