books.google.ca - The second half of the past century witnessed a remarkable paradigm shift in approach to the understanding of igneous rocks. Global literature records a change from a classical petrographic approach to emphasis on mineral chemistry, trace element characteristics, tectonic setting, phase relations, and...http://books.google.ca/books/about/Topics_in_Igneous_Petrology.html?id=Obw5jLeDbd0C&utm_source=gb-gplus-shareTopics in Igneous Petrology
