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Applied Subsurface Geological Mapping by Daniel J.Tearpock, Richard E. Bischke

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Chapter 6. Cross Sections

Introduction

A contour map depicts the horizontal plan view configuration of a single attribute of a stratigraphic unit, such as structure, thickness, and percent porosity. In contrast, a cross section depicts the configuration of many units as typically viewed in a vertical plane. Since a map or cross section alone cannot represent the complete subsurface geologic picture, both must be used to conduct a complete and detailed study.

Geologic cross sections constitute a very important geological exploration and exploitation tool. They are useful in all phases of subsurface geology as well as in reservoir engineering. Cross sections are used for solving structural and stratigraphic problems in addition to being employed as ...

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