Ordovician and Pennsylvanian Berthierine-Bearing Flint Clays

D.M. Moore and Randall E. Hughes

Illinois State Geological Survey, 615 E. Peabody Dr., Champaign, Illinois 61820, USA

E-mail of corresponding author: moore@isgs.uiuc.edu

Key Words: Berthierine • Boehmite • Flint Clay • Kaolinite • Lithium • Ordovician • Pipestone

Clays and Clay Minerals; February 2000 v. 48; no. 1; p. 145-149; DOI: 10.1346/CCMN.2000.0480118
© 2000, The Clay Minerals Society
Clay Minerals Society (www.clays.org)