Graded beds, starved ripples, scour marks, load casts and micro-faults are numerous.
2.
It is important to note that in load casts the flame-like fingers never completely pierce the upper layer, whereas in flame structures they do.
3.
On the basis that liquefaction is linked to shock ( s ), Sims was able in 1975 to correlate the formation of load casts in modern lake deposits with historical earthquakes which had liquefied the sediments.