Sample MAR83/61
NavDat sample number 11251 · ANDESITE
Sample
| Sample ID | MAR83/61 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3035 |
|---|---|
| Longitude | -120.095 |
| 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 | 52.33 | WT% | XRF | |
| TIO2 | 1.88 | WT% | XRF | |
| AL2O3 | 18.05 | WT% | XRF | |
| FEO | 8.16 | WT% | XRF | |
| MNO | 0.127 | WT% | XRF | |
| MGO | 4.93 | WT% | XRF | |
| CAO | 7.65 | WT% | XRF | |
| NA2O | 3.44 | WT% | XRF | |
| K2O | 2.35 | WT% | XRF | |
| P2O5 | 0.73 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| V | 234 | PPM | XRF | |
| CR | 287 | PPM | XRF | |
| NI | 164 | PPM | XRF | |
| RB | 50 | PPM | XRF | |
| SR | 1010 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 264 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| BA | 1430 | PPM | XRF | |
| LA | 50 | PPM | XRF | |
| CE | 100 | PPM | XRF |