Sample No Sample Name
NavDat sample number 29603 · RHYOLITE
Sample
| Sample ID | No Sample Name |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolitic obsidian |
Location
| Latitude | 41.5675 |
|---|---|
| Longitude | -121.685 |
| Location | Little Glass Mountain |
| State / province | California |
| Volcanic field | Medicine Lake Highlands |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0 | 0 | 0.01 | Holocene |
Analyses
Glass
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.59 | WT% | UNKNOWN | |
| AL2O3 | 14.03 | WT% | UNKNOWN | |
| FE2O3 | 0.42 | WT% | UNKNOWN | |
| FEO | 1.43 | WT% | UNKNOWN | |
| MGO | 0.36 | WT% | UNKNOWN | |
| CAO | 1.38 | WT% | UNKNOWN | |
| NA2O | 4.04 | WT% | UNKNOWN | |
| K2O | 4.34 | WT% | UNKNOWN | |
| H2O_PLUS | 0.12 | WT% | UNKNOWN | |
| H2O_MINUS | 0.06 | WT% | UNKNOWN | |
| TIO2 | 0.31 | WT% | UNKNOWN | |
| P2O5 | 0.09 | WT% | UNKNOWN | |
| MNO | 0.02 | WT% | UNKNOWN | |
| CL | 0.03 | WT% | UNKNOWN | |
| F | 0.03 | WT% | UNKNOWN |