Sample BOC74
NavDat sample number 11221 · ANDESITE
Sample
| Sample ID | BOC74 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.4817 |
|---|---|
| Longitude | -120.047 |
| Location | Coal Valley Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 5.7 | 5.13 | 6.27 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.01 | WT% | XRF | |
| TIO2 | 0.95 | WT% | XRF | |
| AL2O3 | 17.22 | WT% | XRF | |
| FEO | 7.67 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.82 | WT% | XRF | |
| CAO | 8.97 | WT% | XRF | |
| NA2O | 3.81 | WT% | XRF | |
| K2O | 1.19 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| V | 198 | PPM | INAA | |
| CR | 300 | PPM | INAA | |
| NI | 103 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 995 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 85 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| BA | 651 | PPM | XRF | |
| LA | 18.7 | PPM | INAA | |
| CE | 45.9 | PPM | INAA | |
| SM | 4.51 | PPM | INAA | |
| EU | 1.26 | PPM | INAA | |
| TB | 0.46 | PPM | INAA | |
| DY | 2.7 | PPM | INAA | |
| YB | 2.4 | PPM | INAA | |
| U | 0.96 | PPM | INAA | |
| TH | 3.15 | PPM | INAA | |
| TA | 0.95 | PPM | INAA | |
| HF | 2.96 | PPM | INAA |