Sample D85-178
NavDat sample number 18373 · TRACHYANDESITE
Sample
| Sample ID | D85-178 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.25 |
|---|---|
| Longitude | -118.95 |
| State / province | California |
| Volcanic field | Aurora |
| Location comment | Aurora |
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 | 53.26 | WT% | XRF | |
| TIO2 | 1.33 | WT% | XRF | |
| AL2O3 | 17.98 | WT% | XRF | |
| FE2O3 | 8.42 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 4.87 | WT% | XRF | |
| CAO | 7.25 | WT% | XRF | |
| NA2O | 4.03 | WT% | XRF | |
| K2O | 2.34 | WT% | XRF | |
| P2O5 | 0.57 | WT% | XRF | |
| TOTAL | 100.18 | WT% | XRF | |
| BA | 1294 | PPM | XRF | |
| CO | 26 | PPM | XRF | |
| CR | 77 | PPM | XRF | |
| CU | 32 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| NI | 47 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 35 | PPM | XRF | |
| SR | 1099 | PPM | XRF | |
| V | 165 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZN | 88 | PPM | XRF | |
| ZR | 233 | PPM | XRF |