Sample MAR80A
NavDat sample number 11254 · ANDESITE
Sample
| Sample ID | MAR80A |
|---|---|
| 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 | 54.46 | WT% | XRF | |
| TIO2 | 1.15 | WT% | XRF | |
| AL2O3 | 16.67 | WT% | XRF | |
| FEO | 7.73 | WT% | XRF | |
| MNO | 0.141 | WT% | XRF | |
| MGO | 6.15 | WT% | XRF | |
| CAO | 8.52 | WT% | XRF | |
| NA2O | 2.41 | WT% | XRF | |
| K2O | 2.04 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| V | 185 | PPM | XRF | |
| CR | 454 | PPM | XRF | |
| NI | 174 | PPM | XRF | |
| RB | 61 | PPM | XRF | |
| SR | 638 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 181 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| BA | 818 | PPM | XRF | |
| LA | 32 | PPM | XRF | |
| CE | 54 | PPM | XRF |