Definition

Gravity Survey - Measurements of the gravitational field at a series of different locations over an area of interest. The objective in exploration work is to associate variations with differences in the distribution of densities and hence rock types*.

Useful References

• Burger, H. R., Exploration Geophysics of the Shallow Subsurface, Prentice Hall P T R, 1992.
• Reynolds, J.M. An Introduction to Applied and Environmental Geophysics, Wiley, 1997.
• Telford, W. M., L. P. Geldart, and R. E. Sheriff, Applied Geophysics, 2nd ed., Cambridge University Press, 1990.
• Nyland, E, Course Outline and Overheads (link broken July 24 2000)
• Wahr, J. Lecture Notes in Geodesy and Gravity
• NGDC Gravity Data on CD-ROM, land gravity data base at the National Geophysical Data Center. Useful for estimating regional gravity field. Much of this data is now available on line
• Online Gravity Primer.
• Glossary of Gravity Terms.

You may wish to recheck the procedure to follow, in the Module Help page.

*Definition from the Encyclopedic Dictionary of Exploration Geophysics by R. E. Sheriff, published by the Society of Exploration Geophysics.