Sample BOC171
NavDat sample number 11305 · ANDESITE
Sample
| Sample ID | BOC171 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3665 |
|---|---|
| Longitude | -120.085 |
| 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 | 54.66 | WT% | XRF | |
| TIO2 | 1.62 | WT% | XRF | |
| AL2O3 | 16.43 | WT% | XRF | |
| FEO | 7.24 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 4.57 | WT% | XRF | |
| CAO | 7.58 | WT% | XRF | |
| NA2O | 3.62 | WT% | XRF | |
| K2O | 2.93 | WT% | XRF | |
| P2O5 | 0.72 | WT% | XRF | |
| TOTAL | 99.86 | WT% | XRF | |
| V | 163 | PPM | XRF | |
| CR | 200 | PPM | XRF | |
| NI | 119 | PPM | XRF | |
| RB | 71 | PPM | XRF | |
| SR | 1440 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 297 | PPM | XRF | |
| NB | 35 | PPM | XRF | |
| BA | 1170 | PPM | XRF | |
| LA | 40 | PPM | XRF | |
| CE | 97 | PPM | XRF |