10,323
edits
Changes
Jump to navigation
Jump to search
Line 2:
Line 2: + + +
no edit summary
[[File:Permian sponge reef.jpg|thumbnail|500px|Permian sponge reef in Guadalupe Mountains, west Texas.The top of the cliff was bound during the Permian by sponges and other reef-building organisms; the flanks are the ancient slopes connecting the reef with the basinal depth. Source: Wikimedia Commons]]
[[File:Permian sponge reef.jpg|thumbnail|500px|Permian sponge reef in Guadalupe Mountains, west Texas.The top of the cliff was bound during the Permian by sponges and other reef-building organisms; the flanks are the ancient slopes connecting the reef with the basinal depth. Source: Wikimedia Commons]]
==See also==
* [[Permian Basin]]
==Useful links==
==Useful links==