Sample D85-163
NavDat sample number 18356 · TRACHYANDESITE
Sample
| Sample ID | D85-163 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.6 |
|---|---|
| Longitude | -118.567 |
| State / province | Nevada |
| Volcanic field | Mina |
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 | 54.2 | WT% | XRF | |
| TIO2 | 1.24 | WT% | XRF | |
| AL2O3 | 17.27 | WT% | XRF | |
| FE2O3 | 7.72 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.76 | WT% | XRF | |
| CAO | 6.98 | WT% | XRF | |
| NA2O | 3.97 | WT% | XRF | |
| K2O | 2.89 | WT% | XRF | |
| P2O5 | 0.72 | WT% | XRF | |
| TOTAL | 99.88 | WT% | XRF | |
| BA | 1443 | PPM | XRF | |
| CO | 25 | PPM | XRF | |
| CR | 96 | PPM | XRF | |
| CU | 32 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| NI | 61 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| RB | 57 | PPM | XRF | |
| SR | 1002 | PPM | XRF | |
| V | 148 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZN | 90 | PPM | XRF | |
| ZR | 301 | PPM | XRF |