Sample MRNW43
NavDat sample number 11264 · ANDESITE
Sample
| Sample ID | MRNW43 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4308 |
|---|---|
| Longitude | -120.145 |
| 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 | 53.3 | WT% | XRF | |
| TIO2 | 1.76 | WT% | XRF | |
| AL2O3 | 16.98 | WT% | XRF | |
| FEO | 8.01 | WT% | XRF | |
| MNO | 0.122 | WT% | XRF | |
| MGO | 4.58 | WT% | XRF | |
| CAO | 8.02 | WT% | XRF | |
| NA2O | 4.2 | WT% | XRF | |
| K2O | 1.9 | WT% | XRF | |
| P2O5 | 0.68 | WT% | XRF | |
| TOTAL | 99.88 | WT% | XRF | |
| V | 149 | PPM | XRF | |
| CR | 238 | PPM | XRF | |
| NI | 97 | PPM | XRF | |
| RB | 36 | PPM | XRF | |
| SR | 1040 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 220 | PPM | XRF | |
| NB | 30 | PPM | XRF | |
| BA | 1260 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 83 | PPM | XRF |