3 inorganic sedimentary structures
bed forms and surface markings
mudcracks
raindrop prints
features that form on the surface of a bed
bed forms
undulations on a sediment surface produced by wind and water
ripples
ripples that form in unidirectional erosional currents
assymmetrical ripples
ripples in waves or oscillating erosional currents
symmetrical ripples
polygonal pattern of cracks produced as mud dries
mudcracks
circular pits produced by raindrops
raindrop prints
3 internal bedding structures
stratification
graded bedding
cross stratification
layering in rock bodies
stratification
results when a turbidity current starts to slow down
graded bedding
inclined bedding structure
cross stratification
filling in of impressions by scouring
sole marks
produced by the filling in of objects dragging
tool marks
filled in scours of eddies
flute marks