Sample MRNW35
NavDat sample number 11276 · ANDESITE
Sample
| Sample ID | MRNW35 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4316 |
|---|---|
| Longitude | -120.164 |
| 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 | 53.26 | WT% | XRF | |
| TIO2 | 2.31 | WT% | XRF | |
| AL2O3 | 16.16 | WT% | XRF | |
| FEO | 8.89 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.51 | WT% | XRF | |
| CAO | 7.91 | WT% | XRF | |
| NA2O | 4.36 | WT% | XRF | |
| K2O | 1.63 | WT% | XRF | |
| P2O5 | 0.5 | WT% | XRF | |
| TOTAL | 99.92 | WT% | XRF | |
| V | 250 | PPM | XRF | |
| CR | 166 | PPM | XRF | |
| NI | 72 | PPM | XRF | |
| RB | 35 | PPM | XRF | |
| SR | 883 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 205 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| BA | 882 | PPM | XRF | |
| LA | 50 | PPM | INAA | |
| CE | 58 | PPM | XRF |