Sample H88-33
NavDat sample number 21008 · TRACHYTE
Sample
| Sample ID | H88-33 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.5417 |
|---|---|
| Longitude | -104.667 |
| Location | Bracks Rhyolite |
| 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 | 67 | WT% | ICPAES | |
| TIO2 | 0.53 | WT% | ICPAES | |
| AL2O3 | 13.14 | WT% | ICPAES | |
| FE2O3 | 1.21 | WT% | ICPAES | |
| FEO | 4.37 | WT% | ICPAES | |
| MNO | 0.23 | WT% | ICPAES | |
| MGO | 0.25 | WT% | ICPAES | |
| CAO | 1.55 | WT% | ICPAES | |
| NA2O | 4.78 | WT% | ICPAES | |
| K2O | 4.27 | WT% | ICPAES | |
| H2O_PLUS | 2.24 | WT% | ICPAES | |
| CO2 | 0.11 | WT% | ICPAES | |
| TOTAL | 99.76 | WT% | ICPAES | |
| Y | 84 | PPM | ICPMS | |
| LA | 74 | PPM | ICPMS | |
| CE | 171 | PPM | ICPMS | |
| ND | 71 | PPM | ICPMS | |
| EU | 2.2 | PPM | ICPMS | |
| GD | 16 | PPM | ICPMS | |
| DY | 15 | PPM | ICPMS | |
| ER | 9.9 | PPM | ICPMS | |
| YB | 9 | PPM | ICPMS | |
| LU | 1.4 | PPM | ICPMS | |
| F | 800 | PPM | ICPMS |