Affiliation:
1. North Atlantic Treaty Organization, Saclant ASW Research Center
Abstract
A large anomaly in the total‐magnetic intensity was recorded by a towed proton‐precession magnetometer at the mouth of the River Tagus, Portugal. By comparing the observed anomaly with that of a dipole field, values for the intensity of magnetisation and the depth to the center of the disturbing body have been calculated. The ship’s magnetic compass suffered deflections with a range of 8 degrees in the region of the main anomaly. Calculations of the deflections produced by the theoretical dipole were also in this range.
Publisher
Society of Exploration Geophysicists
Subject
Geochemistry and Petrology,Geophysics
Cited by
5 articles.
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