Iron-bearing minerals in volcanic rocks contain magnetic fields that were acquired when the magma flowed out onto

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Iron-bearing minerals in volcanic rocks contain magnetic fields that were acquired when the magma flowed out onto the earth’s surface and cooled. These magnetic fields can be measured to determine the orientation of the lines of force of the earth’s magnetic field at the time of cooling. If the northseeking paleomagnetic attitude in a basalt is 32°, N67°E, and the flow has been tilted to N12°W, 40°W, what was the attitude (plunge and trend) of the pretilt paleomagnetic orientation?

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Structural Analysis And Synthesis A Laboratory Course In Structural Geology

ISBN: 9781405116527

3rd Edition

Authors: Stephen M. Rowland, Ernest M. Duebendorfer, Ilsa M. Schiefelbein

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