Folds in Shales and Metagrauwakes

Folds in Shales and Metagrauwakes

Folds in shales and metagrauwakes from Carboniferous (Costa Vicentina, Portugal).

Dobras em xistos e metagrauvaques do Carbonífero (Costa Vicentina, Portugal).

Photo: Gabriela Bruno.
Via: Francisco Sousa
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