Sample MRNW30
NavDat sample number 11263 · ANDESITE
Sample
| Sample ID | MRNW30 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4259 |
|---|---|
| Longitude | -120.15 |
| 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 | 56.35 | WT% | XRF | |
| TIO2 | 1.11 | WT% | XRF | |
| AL2O3 | 18.32 | WT% | XRF | |
| FEO | 7.02 | WT% | XRF | |
| MNO | 0.108 | WT% | XRF | |
| MGO | 3.6 | WT% | XRF | |
| CAO | 6.99 | WT% | XRF | |
| NA2O | 3.64 | WT% | XRF | |
| K2O | 1.96 | WT% | XRF | |
| P2O5 | 0.43 | WT% | XRF | |
| TOTAL | 98.87 | WT% | XRF | |
| V | 235 | PPM | XRF | |
| CR | 89 | PPM | XRF | |
| NI | 68 | PPM | XRF | |
| RB | 38 | PPM | XRF | |
| SR | 984 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 250 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| BA | 1530 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 76 | PPM | XRF |