Sample L82-121
NavDat sample number 18333 · TRACHYANDESITE
Sample
| Sample ID | L82-121 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 36.9833 |
|---|---|
| Longitude | -117.467 |
| State / province | California |
| Volcanic field | Beatty |
| Location comment | Tin Mtn. |
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 | 53.69 | WT% | XRF | |
| TIO2 | 1.63 | WT% | XRF | |
| AL2O3 | 14.57 | WT% | XRF | |
| FE2O3 | 9.49 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.51 | WT% | XRF | |
| CAO | 7.24 | WT% | XRF | |
| NA2O | 3.18 | WT% | XRF | |
| K2O | 3.1 | WT% | XRF | |
| P2O5 | 0.79 | WT% | XRF | |
| TOTAL | 98.34 | WT% | XRF | |
| BA | 3106 | PPM | XRF | |
| CR | 142 | PPM | XRF | |
| CU | 28 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| NI | 86 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| RB | 49 | PPM | XRF | |
| SC | 15 | PPM | INAA | |
| SR | 1101 | PPM | XRF | |
| V | 150 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZN | 103 | PPM | XRF | |
| ZR | 308 | PPM | XRF | |
| LA | 85 | PPM | INAA | |
| CE | 176 | PPM | INAA | |
| ND | 72 | PPM | INAA |