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Sample 81009
NavDat sample number 12708 · RHYOLITE
Sample
| Sample ID | 81009 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.5167 |
|---|
| Longitude | -103.75 |
|---|
| Location | roadcut HWY 17, Star Mt Formation |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 38 |
|
37.2 |
38.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.02 | | WT% | XRF |
| TIO2 | 0.06 | | WT% | XRF |
| AL2O3 | 14.56 | | WT% | XRF |
| FE2O3 | 4.83 | | WT% | XRF |
| FEO | 0.1 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 0.11 | | WT% | XRF |
| CAO | 0.22 | | WT% | XRF |
| NA2O | 4.78 | | WT% | XRF |
| K2O | 5.68 | | WT% | XRF |
| P2O5 | 0.07 | | WT% | REG-COR |
| H2O_PLUS | 0.47 | | WT% | XRF |
| H2O_MINUS | 0.35 | | WT% | XRF |
| TOTAL | 99.33 | | WT% | XRF |
| ZN | 93 | | PPM | PER_COM |
