Notes On The Northern Black Hills Of South Dakota
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Author | : Persifor Frazer |
Publisher | : |
Total Pages | : 28 |
Release | : 1897 |
Genre | : Black Hills (S.D. and Wyo.) |
ISBN | : |
Download Notes on the Northern Black Hills of South Dakota Book in PDF, Epub and Kindle
Author | : Persifor Frazer |
Publisher | : Forgotten Books |
Total Pages | : 32 |
Release | : 2017-11-04 |
Genre | : Science |
ISBN | : 9780260275424 |
Download Notes on the Northern Black Hills of South Dakota (Classic Reprint) Book in PDF, Epub and Kindle
Excerpt from Notes on the Northern Black Hills of South Dakota The Cambrian is represented only by the Potsdam and rests unconformably on the Archean schists. NO Silurian or Devonian is found, and the. Potsdam and Carboniferous are conformable. The great deposits are of Archean age and yield mainly auriferous pyrite. There are sometimes lenticular and seemingly inde pendent masses of the slate and schist series sharing the folds and contortions and having a columnar cleavage coincident with the bedding. The porphyry flowed over the Potsdam east of Deadwood and under that in the Homestake to the west, lifting it like a laccolite. The gold was deposited by chemical action after having been segregated. 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.
Author | : Persifor Frazer |
Publisher | : |
Total Pages | : 28 |
Release | : |
Genre | : |
ISBN | : |
Download Notes on the Northern Black Hills of South Dakota, by Persifor Frazer, ... (Chicago Meeting, February 1897.). Book in PDF, Epub and Kindle
Author | : Persifor Frazer |
Publisher | : Nabu Press |
Total Pages | : 34 |
Release | : 2013-09 |
Genre | : |
ISBN | : 9781289619510 |
Download Notes on the Northern Black Hills of South Dakota - Primary Source Edition Book in PDF, Epub and Kindle
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 138 |
Release | : 1953 |
Genre | : Mineralogy |
ISBN | : |
Download Black Hills Mineral Atlas, South Dakota Book in PDF, Epub and Kindle
Author | : Cleophas Cisney O'Harra |
Publisher | : |
Total Pages | : 176 |
Release | : 1913 |
Genre | : Black Hills (S.D. and Wyo.) |
ISBN | : |
Download O'Harra's Handbook of the Black Hills Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 238 |
Release | : 1900 |
Genre | : |
ISBN | : |
Download Bulletin Book in PDF, Epub and Kindle
Author | : Charles Richard Van Hise |
Publisher | : |
Total Pages | : 940 |
Release | : 1909 |
Genre | : Geology |
ISBN | : |
Download Pre-Cambrian Geology of North America Book in PDF, Epub and Kindle
Author | : Chicago and North Western Railway Company. Passenger Department |
Publisher | : |
Total Pages | : 58 |
Release | : 1909 |
Genre | : Black Hills (S.D. and Wyo.) |
ISBN | : |
Download The Black Hills, South Dakota Book in PDF, Epub and Kindle
Author | : Perry H. Rahn |
Publisher | : |
Total Pages | : 50 |
Release | : 1977 |
Genre | : Engineering geology |
ISBN | : |
Download Road Log Book in PDF, Epub and Kindle