Geological Magazine

Table of Contents - November 1980 - Volume 117, Issue 06  

Articles

A geomagnetic investigation of Carboniferous igneous rocks at Tickenham, County of Avon

P. Keareya1 and J. R. Allisona1

a1 Department of Geology, University of Bristol, Bristol BS8 1TR, U.K.

Summary

A geomagnetic survey indicates that the Carboniferous igneous rocks in the Tickenham area are more extensive than previously recognized. Inversions of the magnetic anomalies suggest the causative basaltic body is tabular in form, conforms to the regional dip and has a coplanar magnetization. The magnetization vector orientation indicates emplacement during a period of magnetic field reversal and thus at a time different from other Carboniferous igneous rocks in the region.

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