Geology and Minerals
The Berca Mud Volcanoes (Romanian: Noroioși de la Pâclele Mici) is a geological and botanical reservation located in Scorțoasa commune close to Berca in Buzău County in Romania. Its most spectacular feature is the mud volcanoes, small volcano-shaped structures typically a few metres high caused by the eruption of mud and natural gases.
Geology of the Democratic Republic of the Congo.
Arkansas.
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