Sample 81-97D
NavDat sample number 16180 · TRACHYTE
Sample
| Sample ID | 81-97D |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.1017 |
|---|---|
| Longitude | -104.35 |
| 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 | 61.74 | WT% | XRF | |
| TIO2 | 1.23 | WT% | XRF | |
| AL2O3 | 15.63 | WT% | XRF | |
| FE2O3 | 2.47 | WT% | XRF | |
| FEO | 3.69 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.77 | WT% | XRF | |
| CAO | 3.76 | WT% | XRF | |
| NA2O | 4.11 | WT% | XRF | |
| K2O | 4.23 | WT% | XRF | |
| P2O5 | 0.52 | WT% | XRF | |
| H2O_PLUS | 1 | WT% | XRF | |
| CO2 | 0.03 | WT% | XRF | |
| TOTAL | 100.29 | WT% | XRF | |
| RB | 101 | PPM | ICPMS | |
| SR | 467 | PPM | ICPMS | |
| Y | 38 | PPM | ICPMS | |
| ZR | 398 | PPM | ICPMS | |
| NB | 52 | PPM | ICPMS | |
| BA | 1160 | PPM | ICPMS |