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Sample H88-71
NavDat sample number 33640 · RHYOLITE
Sample
| Sample ID | H88-71 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.59 |
|---|
| Longitude | -103.582 |
|---|
| Location | Star Mountain Formation |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 36.74 |
|
36.61 |
36.87 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.54 | | WT% | XRF |
| TIO2 | 0.54 | | WT% | XRF |
| AL2O3 | 13.35 | | WT% | XRF |
| FE2O3 | 1.26 | | WT% | XRF |
| FEO | 3.75 | | WT% | XRF |
| MNO | 0.16 | | WT% | XRF |
| MGO | 0.14 | | WT% | XRF |
| CAO | 1.51 | | WT% | XRF |
| NA2O | 4.14 | | WT% | XRF |
| K2O | 4.65 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| H2O_PLUS | 2.4 | | WT% | XRF |
| CO2 | 0.18 | | WT% | XRF |
| TOTAL | 100.49 | | WT% | XRF |
| GA | 19 | | PPM | ICP |
| RB | 232 | | PPM | ICP |
| SR | 34 | | PPM | ICP |
| Y | 104 | | PPM | ICP |
| ZR | 909 | | PPM | ICP |
| NB | 60 | | PPM | ICP |
| BA | 323 | | PPM | ICP |
