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Author : William Henry Mathews
Publisher : 1978.
Page : 25 pages
File Size : 44,9 Mb
Release : 1978
Category : Geology
ISBN : 0660008017
Author : Geological Survey of Canada
Publisher : Unknown
Page : 35 pages
File Size : 50,7 Mb
Release : 1976
Category : Electronic
ISBN : OCLC:56277591
Author : William Henry Mathews,British Columbia. Department of Mines and Petroleum Resources
Publisher : Department of Mines and Petroleum Resources
Page : 44 pages
File Size : 51,5 Mb
Release : 1963
Category : Geology
ISBN : UIUC:30112066810257
Unconsolidated sediments in the Fort. St. John area include a twice repeated succession of gravel overlain by sand, silt, and clay, and each of these in t urn be till of eastern origin. Both succession are interpreted as: (1) gravel laid down by Peace River during or at the close of interglacial (and preglacial?) intervals, (2) fine sediments laid down in lakes ponded in Peace River valley by ice advancing from the east, and (3) till laid down after ice reached Fort St. John area. The younger till [early Wisconsin (?)] is covered by sediments, chiefly clay, from a series of proglacial lakes, and by local postglacial deposits. The topography of the uplands reflects the form of the stream-eroded Cretaceous bedrock, modified slightly by glacial erosion and by the deposition of a thin mantle of till. Landform at intermediate levels is determined largely by sediments which were deposited in proglacial lakes both preceding and following the last glaciation from the east. Since the draining of the last proglacial lake Peace River has cut a trench 700 feet deep below the lake floor and 150 to 250 feet below its interglacial channel. Lice from the Cordilleran area reached to within 15 miles of Fort St. John, overriding areas from which the early Wisconsin (?) eastern ice had already withdrawn. The Quaternary history here is important in localizing the few available aquifers for shallow farm wells, and may have significantly influenced migration of early man into central North America.
Author : John J. Clague
Publisher : Unknown
Page : 84 pages
File Size : 49,8 Mb
Release : 1984
Category : Science
ISBN : UIUC:30112098953398
This report contains a detailed description of the unconsolidated sedimentary materials and landforms in the Smithers-Terrace-Prince Rupert region, and an account of the geological processes that have been active in shaping this area during late Quaternary time. The information in this report is vital to an understanding of the character and distribution of agriculatural soils, the nature of foundation conditions, the location and extent of construction aggregate and aquifers, and the nature of natural hazards in the region.
Author : Anonim
Publisher : Natural Resources Canada
Page : 350 pages
File Size : 47,8 Mb
Release : 2024-07-01
Category : Electronic
ISBN : 8210379456XXX
Author : Roy L. Carlson,Luke Dalla Bona
Publisher : UBC Press
Page : 271 pages
File Size : 46,8 Mb
Release : 2011-11-01
Category : Social Science
ISBN : 9780774842624
This book represents the archeological evidence for the first 5,500 years of prehistory in British Columbia, from about 10,500 to 5,000 years ago. As this period is poorly known, even to specialists, Early Human Occupation in British Columbia is a vital contribution to current knowledge about an enigmatic time in a critically important area of western North America.
Author : Michael Church
Publisher : John Wiley & Sons
Page : 300 pages
File Size : 42,5 Mb
Release : 2014-12-31
Category : Science
ISBN : 9781118906149
This book presents a comprehensive overview of the first longitudinal study of the downstream response of a major river to the establishment of a large hydropower facility and dams. Peace River, a northward flowing boreal river in northwestern Canada was dammed in 1967 and the book describes the morphological response of the 1200 km downstream channel and the response of riparian vegetation to the change in flow regime over the first forty years of regulated flows. Beginning with a description of the effect of regulation on the flow and sediment regimes of the river, the book proceeds to study changes in downstream channel geometry on the main stem, on the lowermost course of tributaries, and on the hydraulic geometry, the overall morphology of the channel, and riparian vegetation succession. The river is subject to annual freeze-up and break-up, so a chapter is devoted to the ice regime of the river. A chapter compares the effects of two extraordinary post-regulation flood events. The penultimate chapter presents a prediction of the ultimate equilibrium form of the regulated river based on rational regime theory. An online database of all the main observations will provide invaluable material for advanced students of river hydraulics and geomorphology. This book carefully brings together a range of studies that have been previously inaccessible providing a rare and comprehensive analysis of the effects of a big dam on a river, a river that itself represents an example of the kind of system that is likely to receive considerable attention in the future from dam engineers and environmentalists. • An invaluable reference to river scientists, hydroelectric power developers, engineers and environmentalists • Focus on a northward flowing boreal river, a type that holds most of the remaining hydroelectric power potential in the Northern Hemisphere • Exceptional separation of water and sediment sources, permitting study of the isolated effect of manipulating one of the two major governing conditions of river processes and form • Unique example of water regulation and both natural and engineered flood flows • Detailed study of both morphological changes of the channel and of the riparian vegetation • Online data supplement including major data tables and numerous maps. Details of the main observations and provides material for problem study by advanced students of river hydraulics and geomorphology are provided
Author : Anonim
Publisher : Natural Resources Canada
Page : 52 pages
File Size : 40,5 Mb
Release : 2024-07-01
Category : Electronic
ISBN : 8210379456XXX
Author : J. R. McLean
Publisher : Ottawa, Canada : Geological Survey of Canada
Page : 252 pages
File Size : 42,7 Mb
Release : 1982
Category : Science
ISBN : 0660110067
This paper is the first to porpose an integrated system of lithostratigraphic nomenclature based on detailed stratigraphic studies along the entire Foothills belt from the Crowsnest Pass area to the Peace River.
Author : Anonim
Publisher : Unknown
Page : 494 pages
File Size : 52,6 Mb
Release : 2008
Category : Geology
ISBN : MINN:31951P01055044W
Author : Geological Survey of Canada
Publisher : Unknown
Page : 856 pages
File Size : 52,5 Mb
Release : 1989
Category : Science
ISBN : UCSD:31822003871662
This synthesis of the Quaternary geology of Canada and Greenland covers the regional Quaternary geology of Canada, applied Quaternary geology in Canada (including its influence on man's environment), the Quaternary geology of the ice-free areas of Greenland, and the dynamic and climatic history of the Greenland ice-sheet.
Author : John Joseph Clague
Publisher : Unknown
Page : 40 pages
File Size : 55,6 Mb
Release : 1980
Category : Geological time
ISBN : STANFORD:36105007652931
This booklet provides a summary of the radiocarbon dated Quaternary history of southern British Columbia and a compilation of most radiocarbon dates of geologic significance published before 1971.
Author : Anonim
Publisher : Unknown
Page : 516 pages
File Size : 49,7 Mb
Release : 1995
Category : Canada
ISBN : UOM:39015077180951
Author : Anonim
Publisher : Unknown
Page : 148 pages
File Size : 44,9 Mb
Release : 1935
Category : Geology
ISBN : UOM:39015023781662
Author : Alain Plouffe,Geological Survey of Canada
Publisher : Unknown
Page : 62 pages
File Size : 44,5 Mb
Release : 2000
Category : Geology
ISBN : 0660181703