#ThinsectionThursday early #Jurassic tempestites where #crinoids have been converted from calcite to glauconite. The conversion has even preserved the micron scale detail of the stereom. Each image about 5 mm wide. #geology #paleontology #echinoderm
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#ThinsectionThursday early #Jurassic tempestites where #crinoids have been converted from calcite to glauconite. The conversion has even preserved the micron scale detail of the stereom. Each image about 5 mm wide. #geology #paleontology #echinoderm
#mindle beach was covered in these cute tiny #sandollars. Thousands of them scuttling back to the sea! #echinodern #echinoid
_DSC1807 by SeaPansy on Flickr