Sample Mar-36
NavDat sample number 11260 · ANDESITE
Sample
| Sample ID | Mar-36 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3214 |
|---|---|
| Longitude | -120.055 |
| 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 | 53.83 | WT% | XRF | |
| TIO2 | 1.68 | WT% | XRF | |
| AL2O3 | 16.46 | WT% | XRF | |
| FEO | 7.35 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 5.51 | WT% | XRF | |
| CAO | 8.67 | WT% | XRF | |
| NA2O | 3.78 | WT% | XRF | |
| K2O | 1.82 | WT% | XRF | |
| P2O5 | 0.49 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| V | 213 | PPM | XRF | |
| CR | 284 | PPM | XRF | |
| NI | 105 | PPM | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 1010 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| BA | 970 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 60 | PPM | XRF |