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Sample 83S 231
NavDat sample number 29638 · GRANODIORITE
Sample
| Sample ID | 83S 231 |
|---|
| Rock name | GRANODIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Sisson, Tom |
|---|
| Comment | BIOTITE K-SPAR RICH GRANODIORITE |
|---|
Location
| Latitude | 36.65 |
|---|
| Longitude | -118.787 |
|---|
| Location | CSNB-Triple Divide Peak |
|---|
| State / province | California |
|---|
| Volcanic field | BIG MEADOWS |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 98 |
|
88.2 |
107.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.2 | | WT% | XRF |
| TIO2 | 0.25 | | WT% | XRF |
| AL2O3 | 14.5 | | WT% | XRF |
| FE2O3 | 2.09 | | WT% | XRF |
| FEO | 1.03 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.51 | | WT% | XRF |
| CAO | 2.62 | | WT% | XRF |
| NA2O | 3.64 | | WT% | XRF |
| K2O | 3.26 | | WT% | XRF |
| P2O5 | 0.12 | | WT% | XRF |
| H2O_PLUS | 0.39 | | WT% | XRF |
| H2O_MINUS | 0.02 | | WT% | XRF |
| CO2 | 0.06 | | WT% | XRF |
