Potential fields
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Information provided
The following table indicates the information provided by the three kinds of potential fields.
Field | Information Provided |
---|---|
Gravity |
|
Magnetic |
|
Magnetotelluric |
|
How to get it
Various scale regional gravity and magnetic surveys can be obtained from the following sources:
- Existing surveys (both ground and airborne acquired) from contractors
- Contractor-acquired data along seismic lines during seismic surveys
- Purchased surveys from government sources in the U.S. and overseas
Where to use it
Such data are extremely useful in extensional and rift terranes and as a guide in planning subsequent seismic surveys.
Examples of use
- Nettleton, L. L., 1971, Elementary gravity and magnetics for geologists and seismologists: Society of Exploration Geophysicists Monograph Series 1, 121 p.
- Billings, A. J., and J. H. Thomas, 1990, The use and limitations of non-seismic geophysics in the Papuan thrust belt, in G. J. Carman, and Z. Carman, eds., Petroleum Exploration in Papua New Guinea: Proceedings of the First Papua New Guinea Petroleum Convention, Port Moresby, p. 51–62.
- Christopherson, K. R., 1990, Applications of magnetotellurics to petroleum exploration in Papua New Guinea, in G. J. Carman, and Z. Carman, eds., Petroleum exploration in Papua New Guinea: Proceedings of the First Papua New Guinea Petroleum Convention, Port Moresby, p. 63–71.