Sample MAR200
NavDat sample number 11242 · ANDESITE
Sample
| Sample ID | MAR200 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3088 |
|---|---|
| Longitude | -120.085 |
| 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 | 59.38 | WT% | XRF | |
| TIO2 | 1.21 | WT% | XRF | |
| AL2O3 | 17.12 | WT% | XRF | |
| FEO | 5.04 | WT% | XRF | |
| MNO | 0.81 | WT% | XRF | |
| MGO | 2.84 | WT% | XRF | |
| CAO | 6.06 | WT% | XRF | |
| NA2O | 4.38 | WT% | XRF | |
| K2O | 2.83 | WT% | XRF | |
| P2O5 | 0.5 | WT% | XRF | |
| TOTAL | 99.84 | WT% | XRF | |
| V | 136 | PPM | XRF | |
| NI | 27 | PPM | XRF | |
| RB | 54 | PPM | XRF | |
| SR | 1770 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 223 | PPM | XRF | |
| NB | 24 | PPM | XRF | |
| BA | 1700 | PPM | XRF | |
| LA | 28 | PPM | XRF | |
| CE | 88 | PPM | XRF |