Fig. 5. Field photographs of key sedimentary and surface features, and macrofossils. a) Yardang. b) Cliffed gravel platform. c) Vesicular surface on lake floor (F1). d) Elevated pebbles from salt heave processes. e) Reddish sand with carbonate concretions overlain by gravel lag. f) Gravel with well-developed carbonate coatings. g) Wind abraded surface. h) Lag deposit of pebbles, sand and carbonate tubules. i) Sandy (above) to pebbly (below) surface sediment along the spit (GS). j) Juvenile Diacypris spinosa. k) Predator hole in Reticypris sp. carpace. l) Charophyte oogonia.