Green River Fischmortalitätsplatte | Wyoming, USA Black ammonites and crustaceans

ammonites and crustaceans

Größe: H136cm B105cm T7cm

Its hardness and other physical properties correspond to those of quartz

Chondrules are typically about one millimeter in diameter and consist primarily of the silicate minerals olivine and pyroxene

Description: A smoky quartz

Green River Fischmortalitätsplatte | Wyoming, USA Black ammonites and crustaceansOrigin: Kemmerer, Wyoming, USA Size: H97cm W78cm D2cm Age: Eocene, 50 million years old Description: From the Eocene (about 50 million years ago), plate with Phareodus, Mioplosus, Diplomystus, Knightia fishes, each in very good condition and on rectangular cut matrix, framed. Additional Information: In the Green River Formation of southwestern Wyoming, in the area known as Fossil Lake, two distinct zones of very fine grained calcareous muds are