Sample L82-120
NavDat sample number 18332 · TRACHYANDESITE
Sample
| Sample ID | L82-120 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.1667 |
|---|---|
| Longitude | -117.633 |
| State / province | California |
| Volcanic field | Beatty |
| Location comment | Last Chance Range |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.55 | 1.8 | 5.3 | Pliocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.67 | WT% | XRF | |
| TIO2 | 1.15 | WT% | XRF | |
| AL2O3 | 15.27 | WT% | XRF | |
| FE2O3 | 7.32 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 6.8 | WT% | XRF | |
| CAO | 7.31 | WT% | XRF | |
| NA2O | 3.27 | WT% | XRF | |
| K2O | 2.74 | WT% | XRF | |
| P2O5 | 0.39 | WT% | XRF | |
| TOTAL | 100.04 | WT% | XRF | |
| BA | 1164 | PPM | XRF | |
| CR | 244 | PPM | XRF | |
| CU | 25 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| NI | 144 | PPM | XRF | |
| PB | 19 | PPM | XRF | |
| RB | 56 | PPM | XRF | |
| SC | 16 | PPM | INAA | |
| SR | 764 | PPM | XRF | |
| V | 142 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZN | 71 | PPM | XRF | |
| ZR | 212 | PPM | XRF | |
| LA | 54 | PPM | INAA | |
| CE | 104 | PPM | INAA | |
| ND | 41 | PPM | INAA |