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Sample RK 40
NavDat sample number 8322 · TONALITE
Sample
| Sample ID | RK 40 |
|---|
| Rock name | TONALITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.1789 |
|---|
| Longitude | -115.06 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Idaho batholith, Atlanta Lobe |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 44.9 |
|
40.41 |
49.39 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|
| DELTA_D | -111 | | | MS |
| D18O | 4.6 | | PERMILL | MS |
References
- Criss, R E; Lanphere, M A; Taylor, H P, Jr (1982) Effects of regional uplift, deformation, and meteoric-hydrothermal metamorphism on K-Ar ages of biotites in the southern half of the Idaho Batholith. JGR. Journal of Geophysical Research. B, vol.87, no.8, pp.7029-7046, 10 Aug 1982 doi:10.1029/JB087iB08p07029
