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DONGWAN middle section of microbialite.

This page authored by Steve Kershaw


Field photos showing the digitate microbialites beautifully exposed. The two pictures below show the tabular lower part of the microbialite, overlain by upward doming digitate microbialite.


The lower of these two pictures shows a transverse section, exposed in an overhang.

Go to Microbialite Atlas Contents PageGA3_Microb_Contents.html
Go to PTB map pageGA5_P-T_Boundary.htmlGA5_P-T_Boundary.htmlshapeimage_3_link_0

Pictures below show close-ups of the digitate structure. Note in the upper photo the digitate structure organised into groups with a small gap between, where micritic sediment has accumulated. The bottom photo shows the margin of a dome passing laterally into more tabular form.


Photos by Steve Kershaw

Photo: Steve Kershaw

Photo: Steve Kershaw

Photo: Steve Kershaw

Photo: Steve Kershaw