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Sample H88-68
NavDat sample number 33635 · RHYOLITE
Sample
| Sample ID | H88-68 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.6533 |
|---|
| Longitude | -103.677 |
|---|
| 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 | 69.15 | | WT% | XRF |
| TIO2 | 0.72 | | WT% | XRF |
| AL2O3 | 14.64 | | WT% | XRF |
| FE2O3 | 2.69 | | WT% | XRF |
| FEO | 2.36 | | WT% | XRF |
| MNO | 0.26 | | WT% | XRF |
| MGO | 0.16 | | WT% | XRF |
| CAO | 1.22 | | WT% | XRF |
| NA2O | 4.94 | | WT% | XRF |
| K2O | 5.5 | | WT% | XRF |
| P2O5 | 0.08 | | WT% | XRF |
| H2O_PLUS | 0.42 | | WT% | XRF |
| TOTAL | 99.9 | | WT% | XRF |
| GA | 23 | | PPM | XRF |
| RB | 102 | | PPM | XRF |
| SR | 1 | | PPM | ICP |
| Y | 58 | | PPM | ICP |
| ZR | 522 | | PPM | ICP |
| NB | 40 | | PPM | ICP |
| BA | 19 | | PPM | ICP |
