AusGeol.orgGreatLake1
Site:
GreatLake1
Downloads:
Map
3D Model:
Description:
Basalt lobe with polygonal jointing, Great Lake, Tasmania.
| Capture Date: | Undated |
| Latitude: | -41.85873600000 degrees |
| Longitude: | 146.71590600000 degrees |
| Elevation: | 1035.000 metres |
| Visualisation Type: | 3D |
| Location Accuracy: | 5 metres |
Keywords:
- basalt
- pillow basalt
- flow
- polygonal jointing
- volcanic
| basalt | |
|---|---|
| Form Type: | flow |
| Description: | Massive portions of lava display polygonal (entablature-like) and where thicker, columnar jointing. Near the margins of the lava pseudo"-pillows are marked by tiny normal joints which appear to propagate perpendicularly off larger curved joints." |
| Min Geological Age: | Late Oligocene |
| Max Geological Age: | Late Oligocene |
| Min Numerical Age: | 25.900 |
| Max Numerical Age: | 25.900 |
| Strat No: | 12334 |
| Supergroup: | |
| Group: | |
| Subgroup: | |
| Formation: | Moriarty Basalt |
| Member: | |
| Province: |