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Sample TPC376
NavDat sample number 12688 · RHYOLITE
Sample
| Sample ID | TPC376 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 29.2667 |
|---|
| Longitude | -103.25 |
|---|
| Location | Pine Canyon Rhyolite, at base of waterfall on Pine Canyon Trail |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33 |
|
26 |
38 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.23 | | WT% | XRF |
| TIO2 | 0.3 | | WT% | XRF |
| AL2O3 | 12.42 | | WT% | XRF |
| FE2O3 | 3.29 | | WT% | XRF |
| FEO | 1.97 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 0.01 | | WT% | XRF |
| CAO | 0.48 | | WT% | XRF |
| NA2O | 5.36 | | WT% | XRF |
| K2O | 4.65 | | WT% | XRF |
| P2O5 | 0.11 | | WT% | XRF |
| H2O_PLUS | 0.01 | | WT% | XRF |
| H2O_MINUS | 0.25 | | WT% | XRF |
| CO2 | 0.05 | | WT% | XRF |
| TOTAL | 99.21 | | WT% | XRF |
| NI | 13 | | PPM | XRF |
| ZN | 198 | | PPM | XRF |
| RB | 397 | | PPM | XRF |
| SR | 12 | | PPM | XRF |
| Y | 132 | | PPM | XRF |
| ZR | 1777 | | PPM | XRF |
| NB | 195 | | PPM | XRF |
