Widespread Volcanic Activity Led To Rise Of The Dinosaurs
Monday, March 22, 2010 - 15:49
in Paleontology & Archaeology
A newly constructed climate record from the Triassic-Jurassic boundary explains how the dinosaurs rose to prominence as the Triassic Period ended, says an international team of geologists and paleobiologists writing in PNAS. Researchers reconstructed the climate from the Triassic-Jurassic boundary by combining fossil evidence of plant and animal extinctions with the carbon signature found in the wax of ancient leaves and wood found in lake sediments intermixed with basalts. read more