fluvial channel
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| Fluvial channel cut into overbank sediments. The left margin of the channel is stepped - one of its flatter portions forms the roof of the cave at left. The channel is filled with conglomerate. The overbank sediments show colour mottling, due to soil-forming processes (pedogenesis) on the flood plain. | |
| image credit: Roger Suthren. Maastrichtian (U Cretaceous) W of Arques, Aude, S France | |
sedshots
-- images of sediments and sedimentary rocks at virtual-geology.info
This page is maintained
by Roger Suthren. Last
updated
23 January, 2004 10:23