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Sample H87-166
NavDat sample number 33649 · RHYOLITE
Sample
| Sample ID | H87-166 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 30.8867 |
|---|
| Longitude | -103.707 |
|---|
| Location | lava dome |
|---|
| State / province | Texas |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 36.87 |
|
36.74 |
37 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.55 | | WT% | ICP |
| TIO2 | 0.27 | | WT% | ICP |
| AL2O3 | 11.32 | | WT% | ICP |
| FE2O3 | 3.9 | | WT% | ICP |
| MNO | 0.12 | | WT% | ICP |
| MGO | 0.02 | | WT% | ICP |
| CAO | 0.26 | | WT% | ICP |
| NA2O | 4.64 | | WT% | ICP |
| K2O | 4.9 | | WT% | ICP |
| P2O5 | 0.02 | | WT% | ICP |
| H2O_PLUS | 0.5 | | WT% | ICP |
| TOTAL | 99.73 | | WT% | ICP |
