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Book Chapter

Kentucky Basement Note

By
R. I. Gibson
R. I. Gibson
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Published:
January 01, 1998

Abstract

It is true, as Betty Johnson says, that “integration is more than getting the maps at the same scale.” However, the exercise of comparing diverse data sets at the same scale is a simple way of discovering possible relationships that should be studied further. This example shows the magnetic map of Kentucky (from USGS GP-954-A), with surface faults, from the published USGS Geologic Map of the United States. Linear magnetic anomalies and gradients correlate nicely with many faults and fault zones in the nonmagnetic sedimentary section at the surface, implying a relationship between basement features and structures in the prospective section. If nothing else, this suggests that some of the magnetic anomalies could be used predictively to suggest the locations of additional faulting or fracturing.

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Contents

Society of Exploration Geophysicists Geophysical References Series

Geologic Applications of Gravity and Magnetics: Case Histories

Richard I. Gibson
Richard I. Gibson
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Patrick S. Millegan
Patrick S. Millegan
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Society of Exploration Geophysicists
Volume
8
ISBN electronic:
9781560801832
Publication date:
January 01, 1998

GeoRef

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