Clay Alteration Associated with Mineralization in the Michigan Copper District

Albert P. Ruotsala

Department of Geology and Geological Engineering, Michigan Technological University, Houghton, Michigan 49931

Clays and Clay Minerals; December 1968 v. 16; no. 5; p. 400-402; DOI: 10.1346/CCMN.1968.0160510
© 1968, The Clay Minerals Society
Clay Minerals Society (www.clays.org)