Pircancha Formation | |
Type: | Geological formation |
Period: | Dapingian |
Age: | Floian-Dapingian ~ |
Prilithology: | Mudstone |
Otherlithology: | Shale, sandstone, pyrite |
Region: | Tarija Department |
Coordinates: | -21°N -65°W |
Paleocoordinates: | -45.3°N -129.1°W |
Thickness: | 1800m (5,900feet) |
The Pircancha Formation is a Floian to Dapingian geologic formation of southern Bolivia. The green mudstones, shales and sandstones were deposited in a shallow to open marine environment.[1] [2] The fossil Pircanchaspis rinconensis is named after the formation.
The formation has provided the following fossils: