Sample No Sample Name
NavDat sample number 29613 · RHYOLITE
Sample
| Sample ID | No Sample Name |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | aphyric obsidian |
Location
| Latitude | 37.7699 |
|---|---|
| Longitude | -118.724 |
| Location | Glass Mountain |
| State / province | California |
| Volcanic field | Long Valley Complex |
| Location comment | from near crest of Glass Mountain |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0 | 0 | 0.01 | Holocene |
Analyses
Glass
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.05 | WT% | UNKNOWN | |
| AL2O3 | 12.58 | WT% | UNKNOWN | |
| FE2O3 | 0.31 | WT% | UNKNOWN | |
| FEO | 0.45 | WT% | UNKNOWN | |
| MGO | 0.03 | WT% | UNKNOWN | |
| CAO | 0.44 | WT% | UNKNOWN | |
| NA2O | 3.96 | WT% | UNKNOWN | |
| K2O | 4.68 | WT% | UNKNOWN | |
| H2O_PLUS | 0.17 | WT% | UNKNOWN | |
| H2O_MINUS | 0.02 | WT% | UNKNOWN | |
| TIO2 | 0.07 | WT% | UNKNOWN | |
| P2O5 | 0.01 | WT% | UNKNOWN | |
| MNO | 0.04 | WT% | UNKNOWN | |
| CL | 0.05 | WT% | UNKNOWN | |
| F | 0.08 | WT% | UNKNOWN |