Sample TR87
NavDat sample number 11293 · ANDESITE
Sample
| Sample ID | TR87 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.2918 |
|---|---|
| Longitude | -120.148 |
| 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 | 53.75 | WT% | XRF | |
| TIO2 | 1.53 | WT% | XRF | |
| AL2O3 | 16.7 | WT% | XRF | |
| FEO | 7.34 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.69 | WT% | XRF | |
| CAO | 8 | WT% | XRF | |
| NA2O | 3.96 | WT% | XRF | |
| K2O | 2.71 | WT% | XRF | |
| P2O5 | 0.78 | WT% | XRF | |
| TOTAL | 99.99 | WT% | XRF | |
| V | 183 | PPM | XRF | |
| CR | 201 | PPM | XRF | |
| NI | 116 | PPM | XRF | |
| RB | 55 | PPM | XRF | |
| SR | 1710 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 263 | PPM | XRF | |
| NB | 29 | PPM | XRF | |
| BA | 1310 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 106 | PPM | XRF |