Sample BOC175
NavDat sample number 11255 · ANDESITE
Sample
| Sample ID | BOC175 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3702 |
|---|---|
| Longitude | -120.08 |
| 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 | 53.48 | WT% | XRF | |
| TIO2 | 1.18 | WT% | XRF | |
| AL2O3 | 16.51 | WT% | XRF | |
| FEO | 7.86 | WT% | XRF | |
| MNO | 0.139 | WT% | XRF | |
| MGO | 6.15 | WT% | XRF | |
| CAO | 8.59 | WT% | XRF | |
| NA2O | 3.4 | WT% | XRF | |
| K2O | 1.96 | WT% | XRF | |
| P2O5 | 0.47 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| V | 217 | PPM | XRF | |
| CR | 442 | PPM | XRF | |
| NI | 186 | PPM | XRF | |
| RB | 45 | PPM | XRF | |
| SR | 633 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 183 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| BA | 784 | PPM | XRF | |
| LA | 23 | PPM | XRF | |
| CE | 54 | PPM | XRF |