TY - BOOK AU - Sopher,S.R. TI - Palaeomagnetic study of the Sudbury irruptive, AV - QE185 .A43 no. 90 PY - 1963///] CY - [Ottawa] PB - Dept. of Mines and Technical Surveys, Canada KW - Paleomagnetism KW - Ontario KW - Sudbury Region KW - Geology N1 - Abstracts in English and French; Bibliography: p. 24-26 ER -