Sample D85-226
NavDat sample number 18403 · TRACHYANDESITE
Sample
| Sample ID | D85-226 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.9167 |
|---|---|
| Longitude | -118.117 |
| State / province | Nevada |
| Volcanic field | Adobe |
| Location comment | Davis 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 | 53.87 | WT% | XRF | |
| TIO2 | 1.27 | WT% | XRF | |
| AL2O3 | 15.25 | WT% | XRF | |
| FE2O3 | 7.7 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 6.35 | WT% | XRF | |
| CAO | 7.98 | WT% | XRF | |
| NA2O | 2.84 | WT% | XRF | |
| K2O | 3.84 | WT% | XRF | |
| P2O5 | 0.74 | WT% | XRF | |
| TOTAL | 99.97 | WT% | XRF | |
| BA | 1744 | PPM | XRF | |
| CO | 29 | PPM | XRF | |
| CR | 209 | PPM | XRF | |
| CU | 50 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| NI | 76 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 69 | PPM | XRF | |
| SR | 876 | PPM | XRF | |
| V | 172 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| ZR | 274 | PPM | XRF |