Sample D85-189A
NavDat sample number 18379 · TRACHYANDESITE
Sample
| Sample ID | D85-189A |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.35 |
|---|---|
| Longitude | -118.917 |
| State / province | Nevada |
| Volcanic field | Aurora |
| Location comment | Aurora |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.3 | 0.27 | 0.33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.57 | WT% | XRF | |
| TIO2 | 0.98 | WT% | XRF | |
| AL2O3 | 17.09 | WT% | XRF | |
| FE2O3 | 6.79 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 3.75 | WT% | XRF | |
| CAO | 6.08 | WT% | XRF | |
| NA2O | 4.29 | WT% | XRF | |
| K2O | 2.8 | WT% | XRF | |
| P2O5 | 0.55 | WT% | XRF | |
| TOTAL | 99.02 | WT% | XRF | |
| BA | 1433 | PPM | XRF | |
| CO | 16 | PPM | XRF | |
| CR | 70 | PPM | XRF | |
| CU | 32 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| NI | 29 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| RB | 42 | PPM | XRF | |
| SR | 987 | PPM | XRF | |
| V | 136 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZN | 92 | PPM | XRF | |
| ZR | 326 | PPM | XRF |