Sample TR285
NavDat sample number 11268 · ANDESITE
Sample
| Sample ID | TR285 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.328 |
|---|---|
| Longitude | -120.237 |
| 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 | 54.51 | WT% | XRF | |
| TIO2 | 1.92 | WT% | XRF | |
| AL2O3 | 16.24 | WT% | XRF | |
| FEO | 8.56 | WT% | XRF | |
| MNO | 0.112 | WT% | XRF | |
| MGO | 4.72 | WT% | XRF | |
| CAO | 7.73 | WT% | XRF | |
| NA2O | 3.39 | WT% | XRF | |
| K2O | 1.75 | WT% | XRF | |
| P2O5 | 0.62 | WT% | XRF | |
| TOTAL | 99.82 | WT% | XRF | |
| V | 223 | PPM | XRF | |
| CR | 208 | PPM | XRF | |
| NI | 57 | PPM | XRF | |
| RB | 36 | PPM | XRF | |
| SR | 926 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 193 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| BA | 880 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 64 | PPM | XRF |