Sample TR99
NavDat sample number 11297 · ANDESITE
Sample
| Sample ID | TR99 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.2985 |
|---|---|
| Longitude | -120.2 |
| Location | Bald Mountain Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.62 | 0.5 | 0.73 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.47 | WT% | XRF | |
| TIO2 | 1.57 | WT% | XRF | |
| AL2O3 | 17.77 | WT% | XRF | |
| FEO | 7.47 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 4.19 | WT% | XRF | |
| CAO | 7.37 | WT% | XRF | |
| NA2O | 4.69 | WT% | XRF | |
| K2O | 2.11 | WT% | XRF | |
| P2O5 | 0.65 | WT% | XRF | |
| TOTAL | 99.9 | WT% | XRF | |
| V | 250 | PPM | XRF | |
| CR | 192 | PPM | XRF | |
| NI | 127 | PPM | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 1520 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 244 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| BA | 1690 | PPM | XRF | |
| LA | 45 | PPM | XRF | |
| CE | 94 | PPM | XRF |