← Search
Sample RH-UN3
NavDat sample number 34512 · RHYOLITE
Sample
| Sample ID | RH-UN3 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | phenocrysts of large, resorbed quartz and feldspar along with hornblende and traces of apatite, magnetite, and sphene; glassy groundmass of quartz, sanidine, magnetite, hornblende, apatite, and sphene |
|---|
Location
| Latitude | 42.5 |
|---|
| Longitude | -107.31 |
|---|
| Location | Rattlesnake Hills |
|---|
| State / province | Wyoming |
|---|
| Volcanic field | Rattlesnake Hills alkalic complex, western felsic province |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 44 |
|
32 |
44 |
|
|
