Free-Fall Forensics: Liquid Droplets Make Curious Craters
Thursday, June 3, 2010 - 09:20
in Paleontology & Archaeology
For more than 150 years researchers have tangled with competing explanations for tiny pits preserved in ancient sediments. Some have interpreted those impressions to be so-called fossil raindrops-- rainfall literally embossed in the geologic record --but others have argued for air bubbles rising through sedimentary deposits as a more likely mechanism. [More] Sediment - Fossil - Recreation - Earth Sciences - Paleontology