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Sample A18
NavDat sample number 5515 · GRANODIORITE
Sample
| Sample ID | A18 |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 46.5289 |
|---|
| Longitude | -114.336 |
|---|
| Location | approximately 1.6 km south of contact with quartz-diorite orthogneiss and 1.3 km SW of South Kootenai Lake |
|---|
| State / province | Montana |
|---|
| Volcanic field | Idaho Batholith, Bitterroot Lobe |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 46 |
|
41 |
51 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|
| RB87_SR86 | 0.435 | | | TIMS |
| SR87_SR86 | 0.7111 | | | TIMS |
| RB87_SR86 | 42 | | | TIMS |
| SR87_SR86 | 0.7371 | | | TIMS |
| RB87_SR86 | 0.044 | | | TIMS |
| SR87_SR86 | 0.7091 | | | TIMS |
| RB87_SR86 | 0.019 | | | TIMS |
| SR87_SR86 | 0.7104 | | | TIMS |
| RB87_SR86 | 1.06 | | | TIMS |
| SR87_SR86 | 0.714 | | | TIMS |
