Surficial Geology of the Laurentian Channel and the Western Grand Banks of Newfoundland

Surficial Geology of the Laurentian Channel and the Western Grand Banks of Newfoundland
Author: Gordon B. Fader
Publisher: Ottawa, Canada : Fisheries and Oceans, Scientific Information and Publication Branch
Total Pages: 48
Release: 1982
Genre: Geology
ISBN:

Map 4015-G accompanies this report, the easternmost and sixth in a series describing the surficial geology of the south-eastern Canadian continental shelf. These regional geological studies have been conducted on a systematic basis. Canadian Hydrographic Charts 4015 (Sydney to St. Pierre), 40141 (Banquereau and Misaine Bank), 4016 (St. Pierre to St. John's), and 8009 (St. Pierre bank to Whale Bank), were used as bethymetric base maps on the compilation of the surficial geology. The map covers 120,046 km2, and is presented at a scale of 1:350,000. The surficial geology is based on an interpretation of data collected on seven cruises conducted by the Atlantic Geoscience Centre at the Bedford Institute of Oceanography. The report also includes brief descriptions of the physiography, bedrock geology, and physical oceanography.

Atlas of Submarine Glacial Landforms

Atlas of Submarine Glacial Landforms
Author: J.A. Dowdeswell
Publisher: Geological Society of London
Total Pages: 631
Release: 2016-12-16
Genre: Science
ISBN: 1786202689

New geophysical techniques (multibeam echo sounding and 3D seismics) have revolutionized high-resolution imaging of the modern seafloor and palaeo-shelf surfaces in Arctic and Antarctic waters, generating vast quantities of data and novel insights into sedimentary architecture and past environmental conditions. The Atlas of Submarine Glacial Landforms is a comprehensive and timely summary of the current state of knowledge of these high-latitude glacier-influenced systems. The Atlas presents over 180 contributions describing, illustrating and discussing the full variability of landforms found on the high-latitude glacier-influenced seafloor, from fjords and continental shelves to the continental slope, rise and deep-sea basins beyond. The distribution and geometry of these submarine landforms provide key information on past ice-sheet extent and the direction and nature of ice flow and dynamics. The papers discuss individual seafloor landforms, landform assemblages and entire landsystems from relatively mild to extreme glacimarine climatic settings and on timescales from the modern margins of tidewater glaciers, through Quaternary examples to ancient glaciations in the Late Ordovician.

Glaciated Continental Margins

Glaciated Continental Margins
Author: Thomas A. Davies
Publisher: Springer Science & Business Media
Total Pages: 447
Release: 2012-12-06
Genre: Science
ISBN: 9401158207

Late Cenozoic glaciation directly affected sedimentation on more than half the Earth's continental shelves. Ice continues to be a dominant influence on sedimentation around Greenland and Antarctica, and on the shelves facing the Arctic Ocean. The features of these shelves include true glacimarine features, i.e. those found in a marine environment in proximityto, or strongly under the influence of, ice, such as iceberg scours and pits, ice gouges and incisions, subglacial outwash deposits, and diamictons resulting from ice rafting. Also seen, because large areas of the shelves were exposed during the Pleistocene lowering of sea level, are terrestrial glacial and periglacial features, e.g. fluvial outwash valleys and associated deposits, tunnel valleys, drumlin fields and lodgement till, which have subsequently been submerged and modified by marine influences. Glaciated Continental Margins: An Atlas of Acoustic Images illustrates the complexity of features found in glaciated and formerly glaciated marine environments. The volume was assembled by an international Editorial Committee, led by Thomas A. Davies (University of Texas), from records gathered in the course of recent research and contributed by members of the scientific community from around the world. These include seismic sections, side-scan maps, and 3-D seismic data, supplemented in some cases by bottom photographs and core data, with accompanying text. The work is scientists at 40 institutions in 10 countries is represented. This book will be an invaluable resource for students, Quaternary scientists, glaciologists, marine geologists and geophysicists, geotechnical engineers, and surveyors teachers working in universities, research institutions and government agencies with interests in polar and subpolar regions, as well as those in industries with offshore interests.

Near Surface Geology of the Halibut Channel Region of the SW Newfoundland Slope from GSC Data Holdings

Near Surface Geology of the Halibut Channel Region of the SW Newfoundland Slope from GSC Data Holdings
Author:
Publisher:
Total Pages:
Release: 2010
Genre:
ISBN:

This report represents a compilation of data holdings of the Geological Survey of Canada in the area of the eastern Laurentian Fan/Halibut Channel of the continental slope off the SW Grand Banks of Newfoundland, along with data interpretations. These data consist of multibeam sonar, seismic reflection and core sedimentologic and geotechnical information. ...