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Sample TPC313
NavDat sample number 12696 · TRACHYTE
Sample
| Sample ID | TPC313 |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 29.2667 |
|---|
| Longitude | -103.292 |
|---|
| Location | densely welded ash-flow tuff, Lost Mine Member, BBNP |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31 |
|
26 |
38 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 67.61 | | WT% | XRF |
| TIO2 | 0.27 | | WT% | XRF |
| AL2O3 | 14.12 | | WT% | XRF |
| FE2O3 | 4.44 | | WT% | XRF |
| FEO | 0.84 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 0.02 | | WT% | XRF |
| CAO | 0.16 | | WT% | XRF |
| NA2O | 5.99 | | WT% | XRF |
| K2O | 4.78 | | WT% | XRF |
| P2O5 | 0.01 | | WT% | XRF |
| H2O_PLUS | 0.48 | | WT% | XRF |
| H2O_MINUS | 0.21 | | WT% | XRF |
| TOTAL | 99.04 | | WT% | XRF |
| ZN | 180 | | PPM | XRF |
| RB | 339 | | PPM | XRF |
| SR | 15 | | PPM | XRF |
| Y | 126 | | PPM | XRF |
| ZR | 1913 | | PPM | XRF |
| NB | 179 | | PPM | XRF |
