Sample H81-82
NavDat sample number 16181 · TRACHYTE
Sample
| Sample ID | H81-82 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.105 |
|---|---|
| Longitude | -104.337 |
| Location | postcaldera, Infiernito caldera |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.01 | WT% | XRF | |
| TIO2 | 1.25 | WT% | XRF | |
| AL2O3 | 15.47 | WT% | XRF | |
| FE2O3 | 2.81 | WT% | XRF | |
| FEO | 3.52 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.84 | WT% | XRF | |
| CAO | 3.68 | WT% | XRF | |
| NA2O | 4.06 | WT% | XRF | |
| K2O | 4.22 | WT% | XRF | |
| P2O5 | 0.53 | WT% | XRF | |
| H2O_PLUS | 1.33 | WT% | XRF | |
| CO2 | 0.02 | WT% | XRF | |
| TOTAL | 100.86 | WT% | XRF | |
| RB | 107 | PPM | ICPMS | |
| SR | 447 | PPM | ICPMS | |
| Y | 43 | PPM | ICPMS | |
| ZR | 395 | PPM | ICPMS | |
| NB | 68 | PPM | ICPMS | |
| BA | 1030 | PPM | ICPMS |