Shale specimen. This sample of shale,which contains small nodules of clay ironstone,is from the Lower Coal Measures deposit,Brynamman,Carmarthenshire,Wales | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 3676 px × 4754 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |