The American Journal of Science, 1921, Vol. 1 (Classic Reprint)

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Excerpt from The American Journal of Science, 1921, Vol. 1Since, by the very terms of this question, the magmatic invasions, if they are the controlling causes of regional metamorphism, are concealed, the problem can not be directly solved. It must be attacked by inference, but the attack is none the less desirable, since it raises problems with many bearings, and directs the attention to the observation of field relations. The accumulation of these from many sources and by many minds must in the end give adjusted quantitative value to the opposing factors and lead to a better understanding of the mysterious inner earth.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.