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Its orange colors come from the limonite (iron oxide) that is the product of the oxidation of the original pyrite that mineralized these fossils
Sister taxa: Aplotaspis
breccia) Shock stage: low Weathering grade: low Fayalite (mol%): 8
The front and back has been cut and polished to a high gloss finish
50 143872806509 Complete Oriented TARDA Carbonaceous Chondrite C2 Ung 0
30585 - Nicely Preserved 2.41 Inch Apatokephalus sp Lower Ordovician Trilobite - Morocco Salterocoryphe Its orange colors come fromApatokephalus sp, Brgger 1896 (trilobite) Trilobita Asaphida Remopleurididae Incredible specimen of this species which exceptionally preserve his antennae. It comes from the Lower Ordovician of the Famous Fezouata Formation. The conservation of soft parts in the fossil record is somewhat exceptional and only occurs under certain and exclusive taphonomic conditions. For example, anoxic substrates without oxygen, where the organic matter has difficulty
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