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Introduction to Interpretation of Gravity and Magnetics in Exploration

by Dick Gibson, Gibson Consulting, Cardwell, Montana
Designed for upper-level undergraduates and graduate students in geology

Sponsored by SAGE

(GSA's Science Awareness through Geoscience Education program)

This 1-day program was conducted on Saturday, October 26, 1996, in conjunction with the national GSA meeting in Denver, Colorado. Registration was FREE, but the program was limited to 50 participants, and preregistration was required. If you are interested in future programs, please contact us.

This lecture presentation will provide an applied view of gravity and magnetic interpretation in hydrocarbon exploration. Emphasis is on geological and tectonic analysis, which is portrayed by means of numerous real examples and short case histories from the USA, former USSR, South America, and elsewhere. Approaches to interpretation at scales ranging from prospects and fields to basins and continents are included, as well as philosophy and examples of modeling and other types of analysis. Participants will learn to make first-level distinctions between basement lithologic contacts and structures, and to identify different basement regimes (depth and lithology) based on their gravity and magnetic character.

The program is abstracted from an oil-industry short course that has been conducted for 5 companies on three continents, and is designed for university students (upper-level undergraduates and graduates) interested in exploration careers, as well as those interested in tectonics of basins (faculty and others will not be turned away! But the program is free to encourage attendence by students.). Theory is minimal, and a previous geophysics course is not required.

A version of this course was conducted at Indiana University in October, 1995. For references on the utility of the program and ability of the instructor, feel free to contact some of the participants: David C. Wilson (e-mail) | Glenn Bear (e-mail) | or Research Scientist Bruce Douglas.


Special thanks to Barb Mieras at GSA for help in organizing this program.
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