Title: Barite nodules in Devonian shale and mudstone of western Virginia
Description: A proposed origin of barite nodules in Devonian shale and mudstone of the Appalachian basin in western Virginia based on physical characteristics of the nodules and on the stratigraphy, paleoenvironment, and geochemistry of the shale and mudstone.
Subjects: Appalachian Region, Barite, Stratigraphic Geology, Virginia
Places: Appalachian Region, Virginia
Time periods: Devonian