Sample D85-213
NavDat sample number 18397 · TRACHYANDESITE
Sample
| Sample ID | D85-213 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.8833 |
|---|---|
| Longitude | -118.783 |
| State / province | California |
| Volcanic field | Adobe |
| Location comment | Cowtrack Mtn. |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.7 | 3.33 | 4.07 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.13 | WT% | XRF | |
| TIO2 | 0.97 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FE2O3 | 6.28 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 4.35 | WT% | XRF | |
| CAO | 6.16 | WT% | XRF | |
| NA2O | 4.22 | WT% | XRF | |
| K2O | 3.1 | WT% | XRF | |
| P2O5 | 0.47 | WT% | XRF | |
| TOTAL | 99.28 | WT% | XRF | |
| BA | 1571 | PPM | XRF | |
| CO | 22 | PPM | XRF | |
| CR | 86 | PPM | XRF | |
| CU | 36 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| NI | 93 | PPM | XRF | |
| PB | 23 | PPM | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 1333 | PPM | XRF | |
| V | 128 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZN | 74 | PPM | XRF | |
| ZR | 219 | PPM | XRF |