Sample 81-97c
NavDat sample number 16182 · TRACHYTE
Sample
| Sample ID | 81-97c |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 30.1 |
|---|---|
| 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 | 62.44 | WT% | XRF | |
| TIO2 | 1.14 | WT% | XRF | |
| AL2O3 | 15.77 | WT% | XRF | |
| FE2O3 | 4.57 | WT% | XRF | |
| FEO | 1.24 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.21 | WT% | XRF | |
| CAO | 3.54 | WT% | XRF | |
| NA2O | 4.37 | WT% | XRF | |
| K2O | 4.24 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| H2O_PLUS | 0.35 | WT% | XRF | |
| CO2 | 0.25 | WT% | XRF | |
| TOTAL | 99.72 | WT% | XRF | |
| RB | 113 | PPM | ICPMS | |
| SR | 464 | PPM | ICPMS | |
| Y | 38 | PPM | ICPMS | |
| ZR | 380 | PPM | ICPMS | |
| NB | 34 | PPM | ICPMS | |
| BA | 1090 | PPM | ICPMS |