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Sample No Sample Name
NavDat sample number 29589 · RHYOLITE
Sample
| Sample ID | No Sample Name |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | rhyolitic obsidian |
|---|
Location
| Latitude | 41.6167 |
|---|
| Longitude | -121.5 |
|---|
| Location | Big Glass Mountain |
|---|
| State / province | California |
|---|
| Volcanic field | Medicine Lake Highlands |
|---|
| Location comment | from dome south of Glass Mountain, representing last extrusion of lava into the rhyolite-dacite composite flow |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0 |
|
0 |
0.01 |
Holocene |
|
