Sample H87-169
NavDat sample number 33646 · TRACHYTE
Sample
| Sample ID | H87-169 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.0017 |
|---|---|
| Longitude | -103.603 |
| 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 | 68.14 | WT% | ICP | |
| TIO2 | 0.61 | WT% | ICP | |
| AL2O3 | 14.19 | WT% | ICP | |
| FE2O3 | 1.66 | WT% | ICP | |
| FEO | 2.92 | WT% | ICP | |
| MNO | 0.15 | WT% | ICP | |
| MGO | 0.32 | WT% | ICP | |
| CAO | 1.99 | WT% | ICP | |
| NA2O | 5.26 | WT% | ICP | |
| K2O | 4.16 | WT% | ICP | |
| P2O5 | 0.06 | WT% | ICP | |
| H2O_PLUS | 1.94 | WT% | ICP | |
| CO2 | 0.18 | WT% | ICP | |
| TOTAL | 99.43 | WT% | ICP | |
| SR | 122 | PPM | ICP | |
| Y | 93 | PPM | ICP | |
| ZR | 797 | PPM | ICP | |
| BA | 996 | PPM | ICP | |
| LA | 83 | PPM | ICP | |
| CE | 170 | PPM | ICP | |
| PR | 22 | PPM | XRF | |
| ND | 77 | PPM | XRF | |
| SM | 16 | PPM | XRF | |
| EU | 2.8 | PPM | XRF | |
| GD | 17 | PPM | XRF | |
| TB | 2.5 | PPM | XRF | |
| DY | 14 | PPM | XRF | |
| HO | 2.8 | PPM | XRF | |
| ER | 8.9 | PPM | XRF | |
| TM | 1.2 | PPM | XRF | |
| YB | 8.8 | PPM | XRF | |
| LU | 1.3 | PPM | XRF |