← Search
Sample 98
NavDat sample number 20608 · LATITE
Sample
| Sample ID | 98 |
|---|
| Rock name | LATITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | medium porphyritic; phenocrysts of feldspar prisms, pyroxene prismoids, needles of amphibole, grains of magnetite; holocrystalline hypautomorphic granular groundmass of Na orthoclase prismoids, diopside needles, lesser amounts of analcite, sodalite, hornblende, magnetite, sphene, apatite, calcite, and zircon |
Location
| Latitude | 42.7422 |
|---|
| Longitude | -107.291 |
|---|
| Location | Rattlesnake Hills |
|---|
| State / province | Wyoming |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 38 |
|
32 |
44 |
|
|