11.12 – Tools and techniques: gravitational method

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Abstract

The gravitational method is used to investigate density variations within the subsurface at depths of several meters to tens of meters, as in depth-to-bedrock investigations, or at depths of several kilometers, as in sedimentary basin thickness investigations. This chapter covers fundamental relations, densities of Earth materials, instruments, field procedures, data reduction, filtering, forward modeling, inversion, and field examples. The focus is on near-surface investigations as distinct from the solid Earth studies found elsewhere in this treatise. The gravitational method is often used in conjunction with other geophysical methods, such as the magnetic method or the seismic method, which target similar physical properties at similar depths.

Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title 11.12 – Tools and techniques: gravitational method
DOI 10.1016/B978-0-444-53802-4.00197-4
Edition 2nd
Volume 11
Year Published 2015
Language English
Publisher Elsevier
Contributing office(s) Crustal Geophysics and Geochemistry Science Center
Description 26 p.
Larger Work Type Book
Larger Work Title Treatise on Geophysics
First page 393
Last page 418
Online Only (Y/N) N
Additional Online Files (Y/N) N