Sample TR186
NavDat sample number 11256 · ANDESITE
Sample
| Sample ID | TR186 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3536 |
|---|---|
| Longitude | -120.197 |
| 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 | 57.49 | WT% | XRF | |
| TIO2 | 1.41 | WT% | XRF | |
| AL2O3 | 17.72 | WT% | XRF | |
| FEO | 6.22 | WT% | XRF | |
| MNO | 0.114 | WT% | XRF | |
| MGO | 3 | WT% | XRF | |
| CAO | 6.56 | WT% | XRF | |
| NA2O | 3.75 | WT% | XRF | |
| K2O | 2.65 | WT% | XRF | |
| P2O5 | 0.63 | WT% | XRF | |
| TOTAL | 99.88 | WT% | XRF | |
| V | 155 | PPM | XRF | |
| CR | 70 | PPM | XRF | |
| NI | 40 | PPM | XRF | |
| RB | 57 | PPM | XRF | |
| SR | 948 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 282 | PPM | XRF | |
| NB | 28 | PPM | XRF | |
| BA | 1610 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 85 | PPM | XRF |