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Sample H88-79
NavDat sample number 33624 · RHYOLITE
Sample
| Sample ID | H88-79 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.9167 |
|---|
| Longitude | -103.917 |
|---|
| Location | Star Mountain Formation |
|---|
| 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 | 72.24 | | WT% | XRF |
| TIO2 | 0.56 | | WT% | XRF |
| AL2O3 | 15.14 | | WT% | XRF |
| FE2O3 | 2.35 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 0.04 | | WT% | XRF |
| CAO | 0.21 | | WT% | XRF |
| NA2O | 4.76 | | WT% | XRF |
| K2O | 5.8 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| H2O_PLUS | 0.46 | | WT% | XRF |
| TOTAL | 99.51 | | WT% | XRF |
| GA | 25 | | PPM | ICP |
| RB | 108 | | PPM | ICP |
| SR | 6 | | PPM | ICP |
| Y | 79 | | PPM | ICP |
| ZR | 574 | | PPM | ICP |
| NB | 40 | | PPM | ICP |
| BA | 166 | | PPM | ICP |
