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Sample H89-76
NavDat sample number 33650 · RHYOLITE
Sample
| Sample ID | H89-76 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.5567 |
|---|
| Longitude | -103.632 |
|---|
| Location | Star Mountain Formation, Davis Mtns |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 36.8 |
|
26 |
38 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.89 | | WT% | XRF |
| TIO2 | 0.53 | | WT% | XRF |
| AL2O3 | 12.87 | | WT% | XRF |
| FE2O3 | 4.49 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.04 | | WT% | XRF |
| CAO | 0.12 | | WT% | XRF |
| NA2O | 3.83 | | WT% | XRF |
| K2O | 4.83 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| H2O_PLUS | 0.45 | | WT% | XRF |
| TOTAL | 100.88 | | WT% | XRF |
| GA | 24 | | PPM | ICP |
| RB | 140 | | PPM | ICP |
| SR | 23 | | PPM | ICP |
| Y | 87 | | PPM | ICP |
| ZR | 685 | | PPM | ICP |
| NB | 56 | | PPM | ICP |
| BA | 372 | | PPM | ICP |
