Fossil Ginkgo Leaf - 3.231" mmj-hq-kk This specimen is a 124-gram

This specimen is a 124-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

On June 30

a multi-million-year span of time that played host to some of the most iconic prehistoric creatures of Earth's history like the Woolly Mammoth

we have generally selected pieces that are similar to those pictured on the site (roughly 0

Mosasaurs boasted flexible skulls and double-hinged jaws

Fossil Ginkgo Leaf - 3.231" mmj-hq-kk This specimen is a 124-gramThe Ginkgo tree is a beautiful plant with fascinating fan like leaves that turn a rich gold in autumn. First appearing in the Jurassic Period, this magnificent gymnosperm has changed very little over the past several million years, making the modern tree a living fossil of its prehistoric ancestors. This specimen is a 3. 231" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota. This formation and the fossil are from the