Sample TR276
NavDat sample number 11287 · ANDESITE
Sample
| Sample ID | TR276 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.2963 |
|---|---|
| Longitude | -120.155 |
| Location | Bald Mountain Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.62 | 0.5 | 0.73 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 52.98 | WT% | XRF | |
| TIO2 | 1.68 | WT% | XRF | |
| AL2O3 | 17.12 | WT% | XRF | |
| FEO | 7.36 | WT% | XRF | |
| MNO | 0.124 | WT% | XRF | |
| MGO | 4.64 | WT% | XRF | |
| CAO | 8.11 | WT% | XRF | |
| NA2O | 4.32 | WT% | INAA | |
| K2O | 2.77 | WT% | XRF | |
| P2O5 | 0.79 | WT% | XRF | |
| TOTAL | 100.3 | WT% | XRF | |
| V | 191 | PPM | INAA | |
| CR | 222 | PPM | INAA | |
| NI | 111 | PPM | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 1690 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 255 | PPM | XRF | |
| NB | 31 | PPM | XRF | |
| BA | 1360 | PPM | XRF | |
| LA | 59 | PPM | INAA | |
| CE | 120 | PPM | INAA | |
| ND | 66 | PPM | INAA | |
| SM | 8.1 | PPM | INAA | |
| EU | 2 | PPM | INAA | |
| TB | 0.63 | PPM | INAA | |
| DY | 3.45 | PPM | INAA | |
| YB | 1.41 | PPM | INAA | |
| LU | 0.3 | PPM | INAA | |
| U | 3.45 | PPM | INAA | |
| TH | 4.76 | PPM | INAA | |
| TA | 1.64 | PPM | INAA | |
| HF | 6.29 | PPM | INAA |