Beautiful Fossil Juglans winchesteri (Walnut) Leaf - Green River Formation

This is an Eocene aged fossil leaf from Juglans winchesteri, a type of walnut. The leaf is 2.95" tall (including the stem) and centered on a piece of shale matrix. It is beautifully preserved with crisp edges and fine details are easily seen.

It comes the Green River Formation and the area in Uintah County, Utah. This is the same formation that is famous for producing well preserved fish fossils, but a different member and location.