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Showing results for tags 'landscape limestone'.
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I knocked a few chunks off of a large block of Landscape Limestone, ground them down to 80 microns on a glass slide. Most of the rocks I have collected locally are rather uninteresting as thin sections. I was very surprised to see what I believe to be a lot of micro fossils on two of the slides. I checked my fossil reference guide and I can identify Crinoid stems, Shells and maybe a leaf. I assume all those rectangular things are Crinoids an their side. The average size of the objects is 200 microns. The larges being what I believe are shells at 1,59 mm. Comments welcome on my identification skills. Photo 1 is the source of the chunks of rock. Photo 2 is slide number 3 taken through a Canon Rebel XS (1000D) camera mounted on a Labomed LB 592 polarizing microscope. Photos 3 and 4 are crops of Photo 2 Photo 5 slide number 4. Part of the same chunk as Slide number 3. Photos 6 and 7 are crops of slide number 4
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