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Author : R. E. Thurmond
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Discovery and Development of the Pima Copper Deposit, Pima Mining Co., Pima County, Ariz written by R. E. Thurmond and published by . This book was released on 1958 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Bureau of Mines
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (148 download)
Download or read book Discovery and Development of the Pima Copper Deposit, Pima Mining Co., Pima County, Arizona written by United States. Bureau of Mines and published by . This book was released on 1958 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. E. Thurmond
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (911 download)
Download or read book Discovery and Development of the Pima Copper Deposit, Pima Mining Co., Pima County, Ariz written by R. E. Thurmond and published by . This book was released on 1958 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph B. Cummings
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of Twin Buttes Copper Mines, Pima County, Ariz written by Joseph B. Cummings and published by . This book was released on 1950 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Twin Buttes camp embraces eight mines in the Pima mining district. The first mining claims in the camp are said to have been located in 1876, but little mining was done until 1905. Intermittent operation of five of the mi.nes to 1928 yielded 388,231 tons of ore averaging 6.19 percent copper and 8 small tonnage of high-grade oxidized zinc ore. While the Bureau was investigating the area, one mine was active, and it started to produce in 1944. The mines of the Twin Buttes camp are at or near contacts of intrusive granite with Paleozoic limestones and quartzite. The ore shoots lie in metamorphosed sediments adjacent to a zone of garnet rock that separates the ore from the footwall granite. Small fissures that originate at the contact and cut the sedimentaries appear to have been controlling factors in ore deposition. No important ore bodies are exposed at the surface, and those developed wore discovered by sinking on the fissure veins to the contact zone. Most of the area overlying the favorable ore zone is covered by alluvium ranging in thickness from 5 to more than 20 feet. Investigation of the area by the Bureau started in August 1942 and terminated in January 1943, when it became necessary to divert personnel and funds to other work. It consisted of mapping, test pitting, trenching, and sampling. Later, a geophysical survey, consisting of natural-potential measurements and a few resistivity measurements, was made in the mapped area.
Author : Walter R. Storms
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mining Methods and Practices at the Mineral Hill Copper Mine, Banner Mining Co., Pima County, Ariz written by Walter R. Storms and published by . This book was released on 1957 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dean W. Lynch
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (293 download)
Download or read book The Geology of the Esperanza Mine and Vicinity, Pima County, Arizona written by Dean W. Lynch and published by . This book was released on 1967 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walter E. Heinrichs
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.F/5 ( download)
Download or read book The Pima Mine Story written by Walter E. Heinrichs and published by . This book was released on 2000 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eldred Dewey Wilson
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (137 download)
Download or read book History of Mining in Pima County, Arizona written by Eldred Dewey Wilson and published by . This book was released on 1946 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. M. Romslo
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Copper Giant Deposits, Pima County, Ariz written by T. M. Romslo and published by . This book was released on 1952 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This investigation was conducted jointly by the Bureau of Mines and the Geological Survey to obtain further information on the source and economic possibilities of the copper mineralization exposed on the Copper Giaant group of claims, Ajo mining district, Pima County, Ariz.
Author : United States. Bureau of Mines. Technical Library, Pittsburgh
Publisher :
ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.:/5 (319 download)
Download or read book Catalog of Books and Reports in the Bureau of Mines Technical Library, Pittsburgh, Pa written by United States. Bureau of Mines. Technical Library, Pittsburgh and published by . This book was released on 1968 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 968 pages
Book Rating : 4.3/5 (91 download)
Download or read book Information Circular written by and published by . This book was released on 1957 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Roberts Cooper
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (359 download)
Download or read book Mesozoic Stratigraphy of the Sierrita Mountains, Pima County, Arizona written by John Roberts Cooper and published by . This book was released on 1971 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additional title page description: Descriptive stratigraphy of more than 20,000 feet of Triassic, Jurassic, and Cretaceous terrestrial volcanic and sedimentary rocks.
Author :
Publisher :
ISBN 13 :
Total Pages : 1698 pages
Book Rating : 4.:/5 (327 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1959 with total page 1698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William P 1826-1910 Blake
Publisher : Legare Street Press
ISBN 13 : 9781019906217
Total Pages : 0 pages
Book Rating : 4.9/5 (62 download)
Download or read book Sketch of Pima County, Arizona written by William P 1826-1910 Blake and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive guide to Pima County, Arizona, provides detailed information on the county's history, geography, and natural resources. With a focus on the mining districts, minerals, and agriculture of the area, this book is an essential resource for anyone interested in the history and development of the American Southwest. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author : United States
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.3/5 (121 download)
Download or read book Joint Resolution to Designate the Period Commencing November 22, 1987, and Ending November 28, 1987, as "American Indian Week." written by United States and published by . This book was released on 1987 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Author : United States. Department of Commerce. Office of Technical Services
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.3/5 (243 download)
Download or read book PB [report] written by United States. Department of Commerce. Office of Technical Services and published by . This book was released on 1957 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Saville Cyrus Creasey
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (783 download)
Download or read book Copper Deposits of Part of Helvetia Mining District, Pima County, Arizona written by Saville Cyrus Creasey and published by . This book was released on 1955 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
