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Pyritized Crinoid (Codiacrinus) Fossil Plate

This is a rare, pyritized crinoid, Codiacrinus schulzi from the famous Lower Devonian Hunsrück Slate of Germany. Has museum quality detail on a large piece of slate.

 

The lower Devonian (lower Emsian) slates from Bundenback have been quarried for roofing material for centuries. Quarrying continued until the 1960s, when the competition from cheaper synthetic or imported slate resulted in production decline. The last pit closed in 2000. Mining of Hunsrück slate was important for the discovery of Paleozoic fossils. Although not rare, fossils can only be found through extensive mining of slate and time consuming preparation. Fossils are hard to see lying under the surface of dark slate. In 1970, Wilhelm Stürmer, a chemical physicist and radiologist developed a new method to examine the Hunsrück slate fossils using medium energy X-rays. The Bundenbach “Hunsruck Slate is famous for yeilding one of the most important assemblages of Paleozoic fossils, featuring 260 animal species, including many arthropods, corals, mollusks, and echinoderms - like this beutifully presented sea star.

 

70 x 37 x 1 inches

 

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$ 75,000.00

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