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Author: Danford G. Kelley
Publisher:
ISBN:
Category : Archaeological dating
Languages : en
Pages : 466
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Book Description
Author: Danford G. Kelley
Publisher:
ISBN:
Category : Archaeological dating
Languages : en
Pages : 466
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Book Description
Author: John Andrew Allan
Publisher:
ISBN:
Category : British Columbia
Languages : en
Pages : 694
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Book Description
Author: Max D. Crittenden
Publisher: Geological Society of America
ISBN: 0813711533
Category : Science
Languages : en
Pages : 497
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1492
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Book Description
Author: James E. Gill
Publisher: University of Toronto Press
ISBN: 1487597541
Category : Science
Languages : en
Pages : 347
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Book Description
Proterozoic time produced much of great interest to geologists, and was of tremendous economic import to the people of Canada and the United States. Most of the iron deposits of the Lake Superior district, the Michigan copper deposits, the enormously important Sudbury nickel-copper-platinum deposits, the spectacular silver deposits of the Cobalt district, and all of the important uranium ores in the Shield area are considered to have formed during this period in geological time. Proterozoic rock groups include those Precambrian rocks which are least deformed and metamorphosed. Because of their important economic deposits, they have been examined in great detail in certain localities. The results of such examination, and of others which were for reconnaissance only, are summarized in this volume of the Royal Society of Canada. Suggestions are made for revision of previous interpretations of Precambrian history, and the terminology which grew out of them. Three papers deal with problems arising from the current use of the term Proterozoic, and with possible changes in its use to bring it more into accord with the facts. Contributors to this volume are: E.M. Abraham, Robert Bergeron, R.G. Blackadar, I.C. Brown, G.H. Charleswood, J.F. Davies, K.E. Eade, W.F. Fahrig, R.M. Farquhar, James E. Gill, H.C. Gunning, J.M. Harrison, D.F. Hewitt, W.W. Moorhouse, J.E. Reesor, S.M. Roscoe, R.D. Russell, James E. Thomson, Robert Thomson, L.J. Weeks, Alice E. Wilson, J.T. Wilson, G.M. Wright.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1490
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Book Description
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author:
Publisher: Elsevier
ISBN: 0444596429
Category : Science
Languages : en
Pages : 840
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Book Description
Developments in Geotechnical Engineering, Vol. 14A: Rockslides and Avalanches, 1: Natural Phenomena focuses on attempts to provide a foundation for studies of mass movement phenomena in the Western Hemisphere. The selection first elaborates on Albert Heim's observations on landslides and relevance to modern interpretations, Frank rockslide in Alberta, Canada, and Lower Gros Ventre slide in Wyoming, U.S.A. Discussions focus on geologic environment, events triggered by rise and fall of slide lake level, description of slide mass and zone of detachment, stability analysis, travel distance of sturzstrom deposits, and geometry of the Elm sturzstrom deposits. The publication then takes a look at Madison Canyon rockslide in Montana, U.S.A., Little Tahoma Peak rockfalls and avalanches in Mount Rainier, Washington, U.S.A., Sherman Glacier rock avalanche in Alaska, U.S.A., and Nevados Huascaran avalanches in Peru. Topics include rockslide kinematics, associated seismic activity, meteorological and hydrological conditions, mode of emplacement of other Alaskan rock avalanches, and applicability of mechanical fluidization to other rock avalanches. The text examines the mechanics of glacier movement, dynamics of snow avalanches, failure of snow slopes, and role of gravity in plate tectonics. The selection is a valuables reference for researchers wanting to study further rockslides and avalanches.
Author:
Publisher: Natural Resources Canada
ISBN:
Category :
Languages : en
Pages : 172
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Book Description
Author: Canadian Centre for Geoscience Data
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 968
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Book Description
Author: British Columbia. Department of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 446
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Book Description
