Sample MAR148A
NavDat sample number 11250 · ANDESITE
Sample
| Sample ID | MAR148A |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3005 |
|---|---|
| Longitude | -120.089 |
| 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 | 53.24 | WT% | XRF | |
| TIO2 | 1.77 | WT% | XRF | |
| AL2O3 | 16.32 | WT% | XRF | |
| FEO | 7.7 | WT% | XRF | |
| MNO | 0.139 | WT% | XRF | |
| MGO | 5.36 | WT% | XRF | |
| CAO | 8.2 | WT% | XRF | |
| NA2O | 3.64 | WT% | XRF | |
| K2O | 2.42 | WT% | XRF | |
| P2O5 | 0.75 | WT% | XRF | |
| TOTAL | 99.9 | WT% | XRF | |
| V | 264 | PPM | XRF | |
| CR | 244 | PPM | XRF | |
| NI | 146 | PPM | XRF | |
| RB | 73 | PPM | XRF | |
| SR | 1110 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 255 | PPM | XRF | |
| NB | 24 | PPM | XRF | |
| BA | 1210 | PPM | XRF | |
| LA | 37 | PPM | XRF | |
| CE | 102 | PPM | XRF |