Folded rock strata and cave at Porth Dafarch, Anglesey, Wales, UK. It is formed of schist, originating as silts and muds on a sea floor some 600 million years ago. Later it was deeply buried, squashed, and heated to temperatures of 500 degrees Celsius. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Brook, Robert |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |