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The QCC posted a topic in Micro-paleontologyAlthough this is the same thin section of Rugose Coral posted earlier, they are substantially different in what has been revealed with further polishing. The original thin section was approx. 80microns thin. The additional polishing with 1200 and 2000 grit diamond disks has proved to reveal additional and unexpected detail at a thickness of 35 microns. The new slide photos were taken with a Canon 100D on a Zeiss 305edu microscope. Slide 1 is the cross section as previously posted. Hints of what lay hidden are visible, but the slide is too thick to see detail. Slide 2 is the thin section after another hour of polishing. There are some disc lines in the slide, but I was at the limit of my set up and feared polishing the specimen to oblivion. Slide 3 is viewed through a Dark Field stop. Slide 4 is a close look at the centre of the coral.