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Sample A20
NavDat sample number 5516 · MONZONITE
Sample
| Sample ID | A20 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 46.3783 |
|---|
| Longitude | -114.314 |
|---|
| Location | South of trail along South Fork drainage of Bear Creek, approximately 4.4 km W of mouth of Bear Creek |
|---|
| State / province | Montana |
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| Volcanic field | Idaho Batholith, Bitterroot Lobe |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 39 |
|
37 |
41 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
| RB87_SR86 | 0.416 | | | TIMS |
| SR87_SR86 | 0.7128 | | | TIMS |
| RB87_SR86 | 87.3 | | | TIMS |
| SR87_SR86 | 0.7599 | | | TIMS |
| RB87_SR86 | 0.04 | | | TIMS |
| SR87_SR86 | 0.7133 | | | TIMS |
| RB87_SR86 | 1.01 | | | TIMS |
| SR87_SR86 | 0.7133 | | | TIMS |
| RB87_SR86 | 10.3 | | | TIMS |
| SR87_SR86 | 0.7155 | | | TIMS |