Metamorphic geology : an introduction to tectonic and metamorphic processes / Con Gillen. Gillen, Con. Metamorphism (Geology) QE475.A2 G53 1982 552.4 19 GIM Includes index. Bibliography: p. [136]-137. London ; Boston : G. Allen & Unwin, 1982. 1982. 1982 Text xii, 144 p. : eng Special topics in geology ; 1