PALEOMAGNETISM OF SOME LAKE SUPERIOR KEWEENAWAN ROCKS; GEOLOGICAL SURVEY PROFESSIONAL PAPER 760. Kenneth G. Books.

PALEOMAGNETISM OF SOME LAKE SUPERIOR KEWEENAWAN ROCKS; GEOLOGICAL SURVEY PROFESSIONAL PAPER 760

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1972. Softcover. Item #47136

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 printed in black. Library stamp on the front cover. No other library markings, pockets or plates were ever present. A fine copy.

Price: $20.00