Sample KM86-78
NavDat sample number 22597 · ANDESITE
Sample
| Sample ID | KM86-78 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | basaltic |
Location
| Latitude | 41.8917 |
|---|---|
| Longitude | -121.297 |
| Location | Horse Mountain |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2 | 1.96 | 2.04 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.51 | WT% | XRF | |
| TIO2 | 0.88 | WT% | XRF | |
| AL2O3 | 17.28 | WT% | XRF | |
| FE2O3 | 3.98 | WT% | XRF | |
| FEO | 3.75 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.8 | WT% | XRF | |
| CAO | 6.99 | WT% | XRF | |
| NA2O | 4.07 | WT% | XRF | |
| K2O | 1.3 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| LOI | 0.59 | WT% | XRF | |
| TOTAL | 99.5 | WT% | XRF | |
| BA | 405 | PPM | UNKNOWN | |
| CR | 113 | PPM | UNKNOWN | |
| NI | 75 | PPM | UNKNOWN | |
| RB | 21 | PPM | UNKNOWN | |
| SR | 503 | PPM | UNKNOWN | |
| V | 164 | PPM | UNKNOWN | |
| Y | 20 | PPM | UNKNOWN | |
| ZR | 161 | PPM | UNKNOWN |