Alva Review-Courier -

Fossil leaves may reveal climate in last era of dinosaurs

 

August 25, 2021



WASHINGTON (AP) — Richard Barclay opens a metal drawer in archives of the Smithsonian Natural History Museum containing fossils that are nearly 100 million years old. Despite their age, these rocks aren't fragile. The geologist and botanist handles them with casual ease, placing one in his palm for closer examination.

Embedded in the ancient rock is a triangular leaf with rounded upper lobes. This leaf fell off a tree around the time that T-rex and triceratops roamed prehistoric forests, but the plant is instantly recognizable. "You can tell this is ginkgo, it's a unique shape," said Barc...



For access to this article please sign in or subscribe.

 

Reader Comments(0)

 
 

Our Family of Publications Includes:

Powered by ROAR Online Publication Software from Lions Light Corporation
© Copyright 2021

Rendered 09/16/2021 05:56