Stratigraphy of the layered gabbroic Dufek intrusion, Antarctica : description of newly named units in a differentiated stratiform mafic intrusion in the northern Pensacola Mountains of Antarctica / by Arthur B. Ford ; work done in cooperation with National Science Foundation.
Publication Info.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1976.
Washington : United States Government Printing Office