Imbrication, Devonian conglomerate, Miguasha, Québec.
Stratification is perhaps the most widespread of sedimentary structures. It is often associated with sedimentary fabric, produced by the orientation of grains. On this page are photographs of some special types of stratification and grain-orientation.
Images copyright © 1998, John W.F. Waldron, except where otherwise stated
Imbrication, Devonian conglomerate, Miguasha, Québec.
Inverse grading (thought to result from the grain-interaction in densely packed 'traction carpets' at the base of a high-density turbidity current). Goldenville Formation, Nova Scotia.