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Sand Flat 　　

　　　

HY 18. General view of sand flat with well-developed sand waves. Disseminated, reworked algal clumps. HY 19. Sand waves with rippled surface. HY 20. Ripples of the sand flat with collapse features over Arenicola burrows.

HY 21. Peel 7 – faintly laminated, deformed fossiliferous sand of the upper part of the sand flat. HY 22. Peel 11.2 – ripple cross-laminated sand of the flank of a sand wave. HY 23. Peel 1 – cross-bedded and ripple cross-laminated sand of the lower part of the sand flat.

Sand Flat

HY 18. General view of sand flat with well-developed sand waves. Disseminated, reworked algal clumps.	HY 19. Sand waves with rippled surface.	HY 20. Ripples of the sand flat with collapse features over Arenicola burrows.

HY 21. Peel 7 – faintly laminated, deformed fossiliferous sand of the upper part of the sand flat.	HY 22. Peel 11.2 – ripple cross-laminated sand of the flank of a sand wave.	HY 23. Peel 1 – cross-bedded and ripple cross-laminated sand of the lower part of the sand flat.