PALEOMAGNETISM OF SOME LAKE SUPERIOR KEWEENAWAN ROCKS; GEOLOGICAL SURVEY PROFESSIONAL PAPER 760
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1972. Soft cover. Remanent magnetization directions for lower and middle Keweenawan rocks fall into three groups that have their polarities alternately normal, reversed, and normal. 42 pages with map, columnar section, tables, figures and references. Bound in original gray stiff paper covers..... More