Petrology of the igneous rocks [by] F. H. Hatch, A. K. Wells, and M. K. Wells. Hatch, F. H. (Frederick Henry), 1864-1932. Wells, A. K. (Alfred Kingsley), joint author. Wells, M. K. (Maurice Kingsley), 1921- joint author. Igneous rocks. QE461 .H3 1973 552.1 HAP Includes bibliographical references. New York, London, Hafner Press, Thomas Murby, 1961. 1961. 1973 Text 515 p. eng His Textbook of petrology, v. 1