Sample BOC29
NavDat sample number 11271 · ANDESITE
Sample
| Sample ID | BOC29 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4035 |
|---|---|
| Longitude | -120.069 |
| 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 | 56.3 | WT% | XRF | |
| TIO2 | 1.57 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FEO | 6.05 | WT% | XRF | |
| MNO | 0.095 | WT% | XRF | |
| MGO | 3.86 | WT% | XRF | |
| CAO | 6.6 | WT% | XRF | |
| NA2O | 4.16 | WT% | INAA | |
| K2O | 3.2 | WT% | XRF | |
| P2O5 | 0.52 | WT% | XRF | |
| TOTAL | 99.2 | WT% | XRF | |
| V | 146 | PPM | INAA | |
| CR | 124 | PPM | INAA | |
| NI | 77 | PPM | XRF | |
| RB | 70 | PPM | XRF | |
| SR | 838 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 284 | PPM | XRF | |
| NB | 26 | PPM | XRF | |
| BA | 1690 | PPM | XRF | |
| LA | 52 | PPM | INAA | |
| CE | 92 | PPM | INAA | |
| ND | 46 | PPM | INAA | |
| SM | 7.2 | PPM | INAA | |
| EU | 1.72 | PPM | INAA | |
| TB | 0.44 | PPM | INAA | |
| DY | 3.2 | PPM | INAA | |
| YB | 2.06 | PPM | INAA | |
| LU | 0.28 | PPM | INAA | |
| U | 1.54 | PPM | INAA | |
| TH | 4.78 | PPM | INAA | |
| TA | 1.39 | PPM | INAA | |
| HF | 5.86 | PPM | INAA |