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Book Chapter

Fault Techniques: Balancing Cross Sections with Extended Strata

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Published:
January 01, 1984

Abstract

A geologic cross section should integrate all known borehole, geophysical, and surface data; information off the line of section should be projected along strike (along plunge in folded strata) into the section. A cross section that is balanced is not necessarily correct, but one that is not balanced is invariably wrong unless a valid explanation is provided in the cross section. Structural balancing not only produces a more accurate cross section, but it also tests the ideas that we build into the section.

To be balanced, a cross section should be drawn (1) without vertical exaggeration, and (2) parallel to the direction of maximum regional extension (perpendicular to the strike of normal faults). Constant cross-sectional area before and after deformation must be assumed unless strain data are obtainable from the actual rocks.

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AAPG Continuing Education Course Notes Series

Structural and Depositional Styles of Gulf Coast Tertiary Continental Margins: Application to Hydrocarbon Exploration

Martin P.A. Jackson
Martin P.A. Jackson
Bureau of Economic Geology, The University of Texas at Austin
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William E. Galloway
William E. Galloway
Bureau of Economic Geology, The University of Texas at Austin
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American Association of Petroleum Geologists
Volume
25
ISBN electronic:
9781629811543
Publication date:
January 01, 1984

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