Mineral Land Classification

Excerpt from Mineral Land Classification: Showing Indications of Iron Formations in Parts of Ashland, Bayfield, Washburn, Sawyer, Price, Oneida, Forest, Rusk, Barron and Chippewa Counties Authorization - The Wisconsin legislature Of 1913 passed an act directing the Geological Survey to examine the lands of the north ern part Of the state and classify them in accordance with their mineral content and geological and other evidences of the presence Of mineral, and appropriated funds for the carrying on Of the work in the two succeeding fiscal years. This volume constitutes the report on the classification of the lands Of that part Of northern Wisconsin which was examined in the two field seasons of 1913 and 1914. Previous Geologic Work - Before the field work begun in 1913 by this Survey, very little geologic work had been done in the area covered by this report. At a very early date attention was attracted to the Gogebic Iron Range and much detailed work was done in locating its extent and determining the stratigraphic succession. This early work is outlined in Monograph XIX Of the U. S. Geologi cal Survey and to this the student is referred who desires to know the early history of geologic work on this range. The former Geo logical Survey Oi Wisconsin carried on the first detailed work and mapped the range from the Montreal river to Lake Namekagon. This work was done by Professor R. D. Irving, then head of the geological department Of the University Of Wisconsin, and C. E. Wright, a mining engineer. Their reports occupy pages 1 to 301 Of Vol. III, Geology of Wisconsin. The next detailed work was undertaken by R. D. Irving and C. R. Van Hise for the U. S. Geo logical Survey and appeared as Monograph XIX above mentioned. This covered both the Michigan and Wisconsin parts of the Gogebic range. These reports referred rather briefly to the granitic and gneissic complex of ancient igneous rocks which was believed to occupy the area to the south as far as the Cambrian sandstones at Chippewa Falls and Grand Rapids, and as far west as the Barron quartzite. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.

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