Sample TR28
NavDat sample number 11292 · ANDESITE
Sample
| Sample ID | TR28 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3099 |
|---|---|
| Longitude | -120.198 |
| 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 | 53.45 | WT% | XRF | |
| TIO2 | 1.74 | WT% | XRF | |
| AL2O3 | 18.16 | WT% | XRF | |
| FEO | 7.81 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 3.77 | WT% | XRF | |
| CAO | 7.46 | WT% | XRF | |
| NA2O | 3.55 | WT% | XRF | |
| K2O | 2.92 | WT% | XRF | |
| P2O5 | 0.63 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| V | 145 | PPM | XRF | |
| CR | 213 | PPM | XRF | |
| NI | 107 | PPM | XRF | |
| RB | 61 | PPM | XRF | |
| SR | 1460 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 280 | PPM | XRF | |
| NB | 36 | PPM | XRF | |
| BA | 1300 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 103 | PPM | XRF |