Sample Mar-65
NavDat sample number 11261 · ANDESITE
Sample
| Sample ID | Mar-65 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3187 |
|---|---|
| Longitude | -120.105 |
| 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 | 55.16 | WT% | XRF | |
| TIO2 | 1.5 | WT% | XRF | |
| AL2O3 | 16.39 | WT% | XRF | |
| FEO | 7.61 | WT% | XRF | |
| MNO | 0.122 | WT% | XRF | |
| MGO | 4.24 | WT% | XRF | |
| CAO | 8.49 | WT% | XRF | |
| NA2O | 3.45 | WT% | XRF | |
| K2O | 2.26 | WT% | XRF | |
| P2O5 | 0.49 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| V | 181 | PPM | XRF | |
| CR | 345 | PPM | XRF | |
| NI | 78 | PPM | XRF | |
| RB | 47 | PPM | XRF | |
| SR | 907 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 206 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| BA | 1070 | PPM | XRF | |
| LA | 30 | PPM | XRF | |
| CE | 65 | PPM | XRF |