The Cha-Kjeri Formation is an Eifelian geologic formation of central Bolivia. The formation comprises red sandstones deposited in a marine environment.
The Cha-Kjeri Formation is an Eifelian geologic formation of central Bolivia. The formation comprises red sandstones deposited in a marine environment. (en)
The Cha-Kjeri Formation is an Eifelian geologic formation of central Bolivia. The formation comprises red sandstones deposited in a marine environment. (en)