Green River Fischmortalitätsplatte | Wyoming, USA Blue coarse-grained variant of the mineral

coarse-grained variant of the mineral quartz that is valued for its purple color

Die Ölschiefermatrix

20 million years

ist die Rückenflosse nicht vollständig

potassium and titanium may be present

Green River Fischmortalitätsplatte | Wyoming, USA Blue coarse-grained variant of the mineralOrigin: Green River Formation, Wyoming, USA Size: H122. 5cm W76cm D8cm Age: Eocene, 50 million years old Description: Diplomystus dentatus, Priscacara sp. (Cope, 1877), and Knightia eocaena. The limestone layers of the Eocene deposit of the Green River Formation are a rare location where conditions were right for a rich assemblage of undisturbed fossils. The present specimen is a classic fish mural from this popular American fossil locality,