Paleogeography and paleoenvironments of the Late Devonian Kellwasser event: A review of its sedimentological and geochemical expression

SK Carmichael, D Wacey, MR Kilburn, M Saunders, JB Cliff… - …, 2015 - pubs.geoscienceworld.org
Framboidal pyrite has been used as a paleo-redox proxy and a biomarker in ancient
sediments, but the interpretation of pyrite framboids can be controversial, especially where …