Sample TR282
NavDat sample number 11269 · ANDESITE
Sample
| Sample ID | TR282 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3559 |
|---|---|
| Longitude | -120.218 |
| Location | Boca Ridge Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.8 | 2.52 | 3.08 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.28 | WT% | XRF | |
| TIO2 | 1.7 | WT% | XRF | |
| AL2O3 | 17.08 | WT% | XRF | |
| FEO | 6.48 | WT% | XRF | |
| MNO | 0.092 | WT% | XRF | |
| MGO | 3.88 | WT% | XRF | |
| CAO | 6.65 | WT% | XRF | |
| NA2O | 3.92 | WT% | XRF | |
| K2O | 2.72 | WT% | XRF | |
| P2O5 | 0.64 | WT% | XRF | |
| TOTAL | 99.76 | WT% | XRF | |
| V | 139 | PPM | XRF | |
| CR | 143 | PPM | XRF | |
| NI | 61 | PPM | XRF | |
| RB | 58 | PPM | XRF | |
| SR | 915 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 254 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| BA | 1430 | PPM | XRF | |
| LA | 33 | PPM | XRF | |
| CE | 83 | PPM | XRF |