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Author: Ernest Clayton Andrews
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 62
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Author: Ernest Clayton Andrews
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 62
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Author: E. C. Andrews
Publisher:
ISBN: 9781331946328
Category : Science
Languages : en
Pages : 58
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Excerpt from Geological Survey of the Cargo Gold-Field Owing to the lengthy period which has elapsed since mining operations, of an important nature, have been conducted at Cargo, the underground workings were not accessible during the geological examination of this field in December, 1913. For this reason the value of the present report is considerably limited, inasmuch as, in the absence of knowledge gained by a study of the geological features as exposed in the mining excavations, it has been based, necessarily, upon a geological examination of the surface, of small surface openings, and of spoil heaps, as also upon a knowledge of the literature dealing with the field from 1870 to the present, and upon records of operations supplied by Messrs. John McMahon and M.Hennessy, of Cargo. From a careful study of all the available lines of evidence, it would appear that the failure of mining in this district, up to the present, has lain, not so much in the absence of gold itself from the reefs, as in, first, the narrowness of and lack of definiteness in the gold-bearing channels themselves; second, the patchy nature of the pay ore; and third, the difficulty experienced in treating the sulphides with which the gold is intimately associated below the oxidised zone. Communication with Sydney is maintained partly by rail and partly by road, the distance from Sydney to Orange by rail being about 195 miles, and thence to Cargo by road, being 23 1/2 miles. The road is very hilly, a rise of 1,000 feet being experienced in the first 8 miles from Cargo towards the Orange plateau; nevertheless the surface is hard and fairly even. History.- Access has not been had to the literature dealing with the discovery of the field, and passing references only are made to the field itself in both the "Industrial Progress" of New South Wales for the year 1870, and the Parliamentary Papers of 1873-4. An interesting and instructive article, however, by Mr. Mining Registrar Hutton, dealing with Cargo, appears in Mines and Mineral Statistics of New South Wales for 1875, and in the general absence of other valuable and authoritative statements with respect to the field prior to 1875, it has been deemed advisable to reproduce, herewith, the Registrar's note in full, as being an epitome of the early history of the district: - "The most prominent feature of the Cargo Gold-field is the Ironclad Range, which is of considerable height, about 600 feet, and runs nearly south-south-east and north-north-west. This range seems to have been the feeder of the gold-field, as on it all the principal reefs are situated, and in nearly all the ravines leading therefrom gold in payable quantities has been found." "The gullies on the eastern side which have been worked with good results are as follows: - First, Long Gully, which was the first place rushed on this field, and which supported a mining population of from 100 to 500 miners for nearly two years. The next on the same side of the range is Township Gully, which was opened about the same time as Long Gully; it was also highly remunerative, one of the leads running down the centre of Cargo-street. The next was Graveyard Gully, which paid well for working." About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
Author: Doris Sloan
Publisher: Univ of California Press
ISBN: 0520241266
Category : Nature
Languages : en
Pages : 353
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"You can't really know the place where you live until you know the shapes and origins of the land around you. To feel truly at home in the Bay Area, read Doris Sloan's intriguing stories of this region's spectacular, quirky landscapes."—Hal Gilliam, author of Weather of the San Francisco Bay Region "This is a fascinating look at some of the world's most complex and engaging geology. I highly recommend this book to anyone interested in an understanding of the beautiful landscape and dynamic geology of the Bay Area."—Mel Erskine, geological consultant "This accessible summary of San Francisco Bay Area geology is particularly timely. We are living in an age where we must deal with our impact on our environment and the impact of the environment on us. Earthquake hazards, and to a lesser extent landslide hazards, are well known, but the public also needs to be aware of other important engineering and environmental impacts and geologic resources. This book will allow Bay Area residents to make more intelligent decisions about the geological issues affecting their lives."—John Wakabayashi, geological consultant
Author: David D. Gillette
Publisher: Utah Geological Survey
ISBN: 1557916349
Category : Nature
Languages : en
Pages : 568
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Book Description
The 52 papers in this vary in content from summaries or state-of-knowledge treatments, to detailed contributions that describe new species. Although the distinction is subtle, the title (Vertebrate Paleontology in Utah) indicates the science of paleontology in the state of Utah, rather than the even more ambitious intent if it were given the title “Vertebrate Paleontology of Utah” which would promise an encyclopedic treatment of the subject. The science of vertebrate paleontology in Utah is robust and intense. It has grown prodigiously in the past decade, and promises to continue to grow indefinitely. This research benefits everyone in the state, through Utah’s muse ums and educational institutions, which are the direct beneficiaries.
Author: General Giulio Douhet
Publisher: Pickle Partners Publishing
ISBN: 1782898522
Category : History
Languages : en
Pages : 620
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Book Description
In the pantheon of air power spokesmen, Giulio Douhet holds center stage. His writings, more often cited than perhaps actually read, appear as excerpts and aphorisms in the writings of numerous other air power spokesmen, advocates-and critics. Though a highly controversial figure, the very controversy that surrounds him offers to us a testimonial of the value and depth of his work, and the need for airmen today to become familiar with his thought. The progressive development of air power to the point where, today, it is more correct to refer to aerospace power has not outdated the notions of Douhet in the slightest In fact, in many ways, the kinds of technological capabilities that we enjoy as a global air power provider attest to the breadth of his vision. Douhet, together with Hugh “Boom” Trenchard of Great Britain and William “Billy” Mitchell of the United States, is justly recognized as one of the three great spokesmen of the early air power era. This reprint is offered in the spirit of continuing the dialogue that Douhet himself so perceptively began with the first edition of this book, published in 1921. Readers may well find much that they disagree with in this book, but also much that is of enduring value. The vital necessity of Douhet’s central vision-that command of the air is all important in modern warfare-has been proven throughout the history of wars in this century, from the fighting over the Somme to the air war over Kuwait and Iraq.
Author:
Publisher:
ISBN:
Category : Monographic series
Languages : en
Pages : 2410
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Author: Dani J. Alldrick
Publisher: Province of British Columbia, Ministry of Energy, Mines and Petroleum Resources
ISBN:
Category : Science
Languages : en
Pages : 126
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This report documents the geological setting of the mining camp and geologic features of the major mineral deposit types. New ideas about the tectonic setting and metallogenic history of the district are also presented. The area lies near the eastern margin of the Coast Mountains at the head of the Portland Canal, a fiord 115 kilometres long, which marks the southeastern boundary between the Alaska Panhandle and northwestern British Columbia.
Author: Jostein Gaarder
Publisher: Farrar, Straus and Giroux
ISBN: 1466804270
Category : Fiction
Languages : en
Pages : 599
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A page-turning novel that is also an exploration of the great philosophical concepts of Western thought, Jostein Gaarder's Sophie's World has fired the imagination of readers all over the world, with more than twenty million copies in print. One day fourteen-year-old Sophie Amundsen comes home from school to find in her mailbox two notes, with one question on each: "Who are you?" and "Where does the world come from?" From that irresistible beginning, Sophie becomes obsessed with questions that take her far beyond what she knows of her Norwegian village. Through those letters, she enrolls in a kind of correspondence course, covering Socrates to Sartre, with a mysterious philosopher, while receiving letters addressed to another girl. Who is Hilde? And why does her mail keep turning up? To unravel this riddle, Sophie must use the philosophy she is learning—but the truth turns out to be far more complicated than she could have imagined.
Author: William Stanley Jevons
Publisher:
ISBN:
Category :
Languages : en
Pages : 384
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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 394
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