The vast North American Phosphoria Rock Complex might be rich in silica because it was home to millions of sea sponges almost 300 million years ago, whose fossils were misdiagnosed until now

The vast North American Phosphoria Rock Complex might be rich in silica because it was home to millions of sea sponges almost 300 million years ago, whose fossils were misdiagnosed until now

Article URL: http://plos.io/47syMdi

Article title: Glass factory found: Basinwide (600 km) preservation of sponges on the Phosphoria glass ramp, Permian, USA

Author countries: U.S.

Funding: WM- Idaho State University Geosciences Geslin Award, https://www.isu.edu/geosciences/resources/endowments_grants_scholarships/Tobacco WM- Root Geological Society, www.trgs.org KR- ACS PRF 56988, American Chemical Society, https://www.acs.org/ ZW-Paleontological Society Student Research Grant.