Sample MAR146
NavDat sample number 11241 · ANDESITE
Sample
| Sample ID | MAR146 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3661 |
|---|---|
| Longitude | -120.086 |
| 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 | 53.22 | WT% | XRF | |
| TIO2 | 1.8 | WT% | XRF | |
| AL2O3 | 16.58 | WT% | XRF | |
| FEO | 7.8 | WT% | XRF | |
| MNO | 0.149 | WT% | XRF | |
| MGO | 5.3 | WT% | XRF | |
| CAO | 8.2 | WT% | XRF | |
| NA2O | 3.3 | WT% | XRF | |
| K2O | 2.44 | WT% | XRF | |
| P2O5 | 0.72 | WT% | XRF | |
| TOTAL | 99.87 | WT% | XRF | |
| V | 157 | PPM | XRF | |
| CR | 273 | PPM | XRF | |
| NI | 121 | PPM | XRF | |
| RB | 73 | PPM | XRF | |
| SR | 1150 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 250 | PPM | XRF | |
| NB | 31 | PPM | XRF | |
| BA | 1500 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 103 | PPM | XRF |