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or lightning rock
” a name meaning “thunder beasts”—a nod to the thunderous sound a herd of these massive animals would have made as they moved across prehistoric landscapes
This versatile mineral often forms through replacement processes
though some
and freshwater ecosystems of the Paleogene period
0.6" Fossil Crane Fly Insect Green River Formation Uintah County Utah Eocene Age Zizyphoides Flabellum or lightning rockLocation: Uintah County, Utah Weight: 1. 2 Ounces Dimensions: 2. 3 Inches Long, 2. 3 Inches Wide, 0. 3 Inches Thick (Plate) Crane Fly Dimensions: 0. 6 Inches Long, 0. 3 Inches Wide The item pictured is the one you will receive. 50 million years old, Eocene age Crane Fly Insect Fifty million years ago, ancient Fossil Lake existed in what is now southwest Wyoming. Of its estimated maximum extent of 930 square miles, approximately 500 square miles of
