Sample TR278
NavDat sample number 11295 · ANDESITE
Sample
| Sample ID | TR278 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.2753 |
|---|---|
| Longitude | -120.165 |
| 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 | 53.39 | WT% | XRF | |
| TIO2 | 1.91 | WT% | XRF | |
| AL2O3 | 17.31 | WT% | XRF | |
| FEO | 7.76 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.75 | WT% | XRF | |
| CAO | 7.83 | WT% | XRF | |
| NA2O | 2.79 | WT% | XRF | |
| K2O | 2.77 | WT% | XRF | |
| P2O5 | 0.77 | WT% | XRF | |
| TOTAL | 99.83 | WT% | XRF | |
| V | 155 | PPM | XRF | |
| CR | 197 | PPM | XRF | |
| NI | 98 | PPM | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 1730 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 293 | PPM | XRF | |
| NB | 33 | PPM | XRF | |
| BA | 1580 | PPM | XRF | |
| LA | 48 | PPM | XRF | |
| CE | 131 | PPM | XRF |