Deep Rotary Core Drilling in Ice PDF Download
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Author: G. Robert Lange
Publisher:
ISBN:
Category : Antarctica
Languages : en
Pages : 56
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Book Description
Rotary drilling equipment was modified and used to obtain cores from glaciers in Northwest Greenland, Byrd Station and Little America V, Antarctica. Using cold compressed air, specially designed bits and other modifications, cores were obtained to 1345 feet in Greenland, 1000 feet at Byrd Station and the Ross Ice Shelf was penetrated to a depth of 840 feet at Little America V. In all locations cracks in the core appeared with increasing frequency at depth due to the sudden release of the overburden load when the core was cut in the air-filled hole. Special equipment and techniques developed dealt with the problem with some success. (Author Modified Abstract).
Author: G. Robert Lange
Publisher:
ISBN:
Category : Antarctica
Languages : en
Pages : 56
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Book Description
Rotary drilling equipment was modified and used to obtain cores from glaciers in Northwest Greenland, Byrd Station and Little America V, Antarctica. Using cold compressed air, specially designed bits and other modifications, cores were obtained to 1345 feet in Greenland, 1000 feet at Byrd Station and the Ross Ice Shelf was penetrated to a depth of 840 feet at Little America V. In all locations cracks in the core appeared with increasing frequency at depth due to the sudden release of the overburden load when the core was cut in the air-filled hole. Special equipment and techniques developed dealt with the problem with some success. (Author Modified Abstract).
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Pavel G. Talalay
Publisher: Springer
ISBN: 9811005605
Category : Science
Languages : en
Pages : 291
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Book Description
This book provides a review of mechanical ice drilling technology, including the design, parameters, and performance of various tools and drills for making holes in snow, firn and ice. The material presents the historical development of ice drilling tools and devices from the first experience taken place more than 170 years ago to the present day and focuses on the modern vision of ice drilling technology. It is illustrated with numerous pictures, many of them published for the first time. This book is intended for specialists in ice core sciences, drilling engineers, glaciologists, and can be useful for high-school students and other readers who are very interested in engineering and cold regions technology.
Author: Chester C. Langway
Publisher: Geological Society of America
ISBN: 0813721253
Category : Science
Languages : en
Pages : 197
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Book Description
Author:
Publisher:
ISBN:
Category : Ice coring rigs
Languages : en
Pages : 164
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 950
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Book Description
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 284
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Book Description
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 478
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Book Description
Author: John F. Splettstoesser
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 208
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1252
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
