Sample MAR87A
NavDat sample number 11245 · ANDESITE
Sample
| Sample ID | MAR87A |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3567 |
|---|---|
| Longitude | -120.072 |
| 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 | 54.11 | WT% | XRF | |
| TIO2 | 1.23 | WT% | XRF | |
| AL2O3 | 18.48 | WT% | XRF | |
| FEO | 7.38 | WT% | XRF | |
| MNO | 0.148 | WT% | XRF | |
| MGO | 4.5 | WT% | XRF | |
| CAO | 7.86 | WT% | XRF | |
| NA2O | 2.84 | WT% | XRF | |
| K2O | 2.38 | WT% | XRF | |
| P2O5 | 0.58 | WT% | XRF | |
| TOTAL | 99.87 | WT% | XRF | |
| V | 113 | PPM | XRF | |
| CR | 263 | PPM | XRF | |
| NI | 127 | PPM | XRF | |
| RB | 55 | PPM | XRF | |
| SR | 705 | PPM | XRF | |
| Y | 39 | PPM | XRF | |
| ZR | 243 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| BA | 1790 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 67 | PPM | XRF |