Sample TR283
NavDat sample number 11270 · ANDESITE
Sample
| Sample ID | TR283 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3583 |
|---|---|
| Longitude | -120.227 |
| 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 | 56.53 | WT% | XRF | |
| TIO2 | 1.83 | WT% | XRF | |
| AL2O3 | 16.66 | WT% | XRF | |
| FEO | 7.18 | WT% | XRF | |
| MNO | 0.098 | WT% | XRF | |
| MGO | 4.16 | WT% | XRF | |
| CAO | 7.13 | WT% | XRF | |
| NA2O | 2.6 | WT% | XRF | |
| K2O | 2.6 | WT% | XRF | |
| P2O5 | 0.64 | WT% | XRF | |
| TOTAL | 99.74 | WT% | XRF | |
| V | 216 | PPM | XRF | |
| CR | 142 | PPM | XRF | |
| NI | 50 | PPM | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 983 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 254 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| BA | 1360 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 72 | PPM | XRF |