A geophysical interpretation of structural boundaries in the Eastern Canadian Shield
Between 1958 and 1965 field parties of the Dominion Observatory observed some 11,000 gravity stations in northern Quebec as part of a program to provide gravity stations at intervals of 10-15 km,throughout Canada. The measurements were carried out using float-equipped fixed wing aircraft and helicop...
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Durham University
1969
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.585885 |
| Summary: | Between 1958 and 1965 field parties of the Dominion Observatory observed some 11,000 gravity stations in northern Quebec as part of a program to provide gravity stations at intervals of 10-15 km,throughout Canada. The measurements were carried out using float-equipped fixed wing aircraft and helicopters for transportation. The gravity measurements have been made by establishing a control network throughout northern Quebec which served as a reference for the gravity traverses. Analysis of the results indicates that the computed Bouguer anomalies in the northern part of the region are accurate to better than 3 mgal and those in the south to better than 2 mgal. The major source of error in the Bouguer anomalies is the uncertainty of the elevations of the gravity stations, most of which have been established using altimeters. |
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