Sample D85-162
NavDat sample number 18355 · TRACHYANDESITE
Sample
| Sample ID | D85-162 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.9667 |
|---|---|
| Longitude | -118.633 |
| State / province | Nevada |
| Volcanic field | Churchill |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 8.25 | 5.3 | 11.2 | Late Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.97 | WT% | XRF | |
| TIO2 | 0.97 | WT% | XRF | |
| AL2O3 | 18.47 | WT% | XRF | |
| FE2O3 | 6.73 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 2.92 | WT% | XRF | |
| CAO | 6.48 | WT% | XRF | |
| NA2O | 4.56 | WT% | XRF | |
| K2O | 1.84 | WT% | XRF | |
| P2O5 | 0.42 | WT% | XRF | |
| TOTAL | 100.46 | WT% | XRF | |
| BA | 1054 | PPM | XRF | |
| CO | 14 | PPM | XRF | |
| CR | 20 | PPM | XRF | |
| CU | 24 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| NI | 9 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 1110 | PPM | XRF | |
| V | 125 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| ZN | 104 | PPM | XRF | |
| ZR | 163 | PPM | XRF | |
| SR87_SR86 | 0.70493 | MS |