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Sample A14
NavDat sample number 5514 · GNEISS
Sample
| Sample ID | A14 |
|---|
| Rock name | GNEISS |
|---|
| Rock type | PLUTONIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 46.5547 |
|---|
| Longitude | -114.346 |
|---|
| Location | approximately 1.3 km north of contact with batholith and approximately 1 km west of Central Kootenai Lake along south side of ridge |
|---|
| State / province | Montana |
|---|
| Volcanic field | Idaho Batholith?, Bitterroot Lobe |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 42 |
|
34 |
50 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
| RB87_SR86 | 0.251 | | | TIMS |
| SR87_SR86 | 0.7082 | | | TIMS |
| RB87_SR86 | 23.5 | | | TIMS |
| SR87_SR86 | 0.7207 | | | TIMS |
| RB87_SR86 | 2.75 | | | TIMS |
| SR87_SR86 | 0.7095 | | | TIMS |
| RB87_SR86 | 0.019 | | | TIMS |
| SR87_SR86 | 0.7068 | | | TIMS |
| RB87_SR86 | 0.008 | | | TIMS |
| SR87_SR86 | 0.7068 | | | TIMS |