Sample Mar-79
NavDat sample number 11243 · ANDESITE
Sample
| Sample ID | Mar-79 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3611 |
|---|---|
| Longitude | -120.075 |
| 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 | 54.14 | WT% | XRF | |
| TIO2 | 1.29 | WT% | XRF | |
| AL2O3 | 17.78 | WT% | XRF | |
| FEO | 7.6 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.77 | WT% | XRF | |
| CAO | 7.72 | WT% | XRF | |
| NA2O | 3.19 | WT% | XRF | |
| K2O | 2.36 | WT% | XRF | |
| P2O5 | 0.52 | WT% | XRF | |
| TOTAL | 99.87 | WT% | XRF | |
| V | 159 | PPM | XRF | |
| CR | 241 | PPM | XRF | |
| NI | 110 | PPM | XRF | |
| RB | 53 | PPM | XRF | |
| SR | 713 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 246 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| BA | 1830 | PPM | XRF | |
| LA | 33 | PPM | XRF | |
| CE | 84 | PPM | XRF |