Sample H87-153
NavDat sample number 33625 · RHYOLITE
Sample
| Sample ID | H87-153 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30.04 |
|---|---|
| Longitude | -103.608 |
| Location | Crossen Trachyte |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36.8 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.29 | WT% | ICP | |
| TIO2 | 0.63 | WT% | ICP | |
| AL2O3 | 13.99 | WT% | ICP | |
| FE2O3 | 3.44 | WT% | ICP | |
| FEO | 0.91 | WT% | ICP | |
| MNO | 0.05 | WT% | ICP | |
| MGO | 0.11 | WT% | ICP | |
| CAO | 0.37 | WT% | ICP | |
| NA2O | 4.71 | WT% | ICP | |
| K2O | 5.46 | WT% | ICP | |
| P2O5 | 0.06 | WT% | ICP | |
| H2O_PLUS | 0.36 | WT% | ICP | |
| TOTAL | 100.14 | WT% | ICP | |
| GA | 23 | PPM | ICP | |
| RB | 130 | PPM | ICP | |
| SR | 43 | PPM | ICP | |
| Y | 94 | PPM | ICP | |
| ZR | 793 | PPM | ICP | |
| NB | 59 | PPM | ICP | |
| BA | 809 | PPM | ICP | |
| LA | 82 | PPM | ICP | |
| CE | 170 | PPM | ICP | |
| PR | 22 | PPM | XRF | |
| ND | 74 | PPM | XRF | |
| SM | 15 | PPM | XRF | |
| EU | 2.5 | PPM | XRF | |
| GD | 17 | PPM | XRF | |
| TB | 2.4 | PPM | XRF | |
| DY | 14 | PPM | XRF | |
| HO | 2.7 | PPM | XRF | |
| ER | 7.7 | PPM | XRF | |
| TM | 1.1 | PPM | XRF | |
| YB | 7.6 | PPM | XRF | |
| LU | 1.2 | PPM | XRF |