Black lines in this model represent coal seams,between lighter shales and sandstones. When separated the lower section shows a gently inclined valley floor,demonstrating the appearance of various rock outcrops and allowing for consideration of drainage patterns | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 4549 px × 3025 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |