Pircancha Formation Explained

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.

Fossil content

The formation has provided the following fossils:

See also

References

Bibliography

Further reading

Notes and References

  1. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=90413 "Rincon", "Escuela Seccional de Puesto Grande"
  2. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=9103 Pircancha Fm., Tarija and Chilcayo
  3. Aubrechtová, 2015