Sample TR204
NavDat sample number 11257 · ANDESITE
Sample
| Sample ID | TR204 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3497 |
|---|---|
| Longitude | -120.195 |
| 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 | 60.1 | WT% | XRF | |
| TIO2 | 1.18 | WT% | XRF | |
| AL2O3 | 16.96 | WT% | XRF | |
| FEO | 5.62 | WT% | XRF | |
| MNO | 0.105 | WT% | XRF | |
| MGO | 2.74 | WT% | XRF | |
| CAO | 6.08 | WT% | XRF | |
| NA2O | 3.46 | WT% | XRF | |
| K2O | 2.76 | WT% | XRF | |
| P2O5 | 0.59 | WT% | XRF | |
| TOTAL | 99.88 | WT% | XRF | |
| V | 109 | PPM | XRF | |
| CR | 33 | PPM | XRF | |
| NI | 55 | PPM | XRF | |
| RB | 72 | PPM | XRF | |
| SR | 885 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 255 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| BA | 1550 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 76 | PPM | XRF |