USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS

Introduction to potential fields: Magnetics

Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.

U.S. Geological Survey Fact Sheet 236-95
This publication is available only as a PDF document.
Related topics:
Aeromagnetic surveying, Geophysics, Magnetic field (earth), Magnetometer measurement, Remanent magnetism

Metadata as [FGDC] - [XML] - [ISO]

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Ask USGS