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Structural investigation of the Canadian Shield by orbital radar and LANDSATCanadian Shield were studied by orbital radar. The primary objective of the study is scientific: to investigate and clarify the tectonic relationships of the Churchill, Superior, and Grenville Provinces, concentrating on their geologic boundaries, the Nelson and Grenvill Fronts. Theories about its origin range from in-situ regional metamorphism to tectonic sutures resulting from terrain accretion. The SIR-B investigation clarifies this problem. Secondary objectives are technique development, and include: (1) evaluation of the use of orbital radar in high altitude Precambrian terrains; (2) evaluation of look-azimuth biasing in radar and LANDSAT imagery; and (3) investigation of the synergistic use of radar, LANDSAT, and geophysical data in Precambrian studies.
Document ID
19850008927
Document Type
Reprint (Version printed in journal)
Authors
Lowman, P. D., Jr. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Blodget, H. W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Webster, W. J., Jr. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Paia, S. (Ontario Centre for Remote Sensing)
Singhroy, V. H. (Ontario Centre for Remote Sensing)
Slaney, V. R. (RADARSAT Project Office)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Publication Information
Publication: JPL The SIR-B Sci. Invest. Plan
Subject Category
GEOPHYSICS
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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