Channelled scablands geologic foundation, illustration. From top to bottom. 1 Columbia river basalt flowing over land. 2 Columbia river basalt cooled. 3 Earliest flooding from Lake Missoula's ice dam break. 4 Continual flooding carves through the basalt layers. 5 Once flooding ceases, a carved landscape is left. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / ELABARTS / ELENA HARTLEY |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |