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Sample H89-68
NavDat sample number 33637 · RHYOLITE
Sample
| Sample ID | H89-68 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.8067 |
|---|
| Longitude | -103.887 |
|---|
| Location | Star Mountain Formation |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 36.9 |
|
36.77 |
37.03 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.17 | | WT% | XRF |
| TIO2 | 0.57 | | WT% | XRF |
| AL2O3 | 13.75 | | WT% | XRF |
| FE2O3 | 3.21 | | WT% | XRF |
| FEO | 1.8 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 0.27 | | WT% | XRF |
| CAO | 1.03 | | WT% | XRF |
| NA2O | 3.57 | | WT% | XRF |
| K2O | 4.59 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| H2O_PLUS | 3.5 | | WT% | XRF |
| TOTAL | 100.45 | | WT% | XRF |
| GA | 26 | | PPM | ICP |
| RB | 304 | | PPM | ICP |
| SR | 40 | | PPM | ICP |
| Y | 99 | | PPM | ICP |
| ZR | 937 | | PPM | ICP |
| NB | 61 | | PPM | ICP |
| BA | 324 | | PPM | ICP |
