Tuesday, March 24, 2020
032420d
Thin sections of a Mississippian fossil hash from north Alabama, technically an echinodermal bryozoan grainstone (Dunham classification). All images are 2.5 mm wide.
Bryozoan fragments, with a few echinoderm ossicles and brachiopod fragments.
Echinoid spine in bryozoan hash.
Bryozoan grainstone.
Large brachiopod shell fragment in bryozoan grainstone.
Large and small echinoderm ossicles in bryozoan-dominated grainstone.
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