AusGeol.orgGawler4
Site:
Gawler4
Downloads:
Map
3D Model:
Description:
close up of dacite texture, showing phenocrysts. Yandinga Falls Road, Gawler Ranges.
| Capture Date: | Nov. 17, 2015, 10:29 a.m. |
| Latitude: | -32.55751000000 degrees |
| Longitude: | 135.31975000000 degrees |
| Elevation: | NA |
| Visualisation Type: | 3D |
| Location Accuracy: | 0 metres |
Keywords:
- dacite
- phenocryst
| dacite | |
|---|---|
| Form Type: | |
| Description: | Compositionally zoned rhyolite lava with higher silica content at base; generally plagioclase rich and evenly porphyritic. |
| Min Geological Age: | Calymmian |
| Max Geological Age: | Calymmian |
| Min Numerical Age: | 1400.000 |
| Max Numerical Age: | 1600.000 |
| Strat No: | 36782 |
| Supergroup: | |
| Group: | Gawler Range Volcanics |
| Subgroup: | |
| Formation: | Eucarro Rhyolite |
| Member: | |
| Province: |