Abstract
This paper attempts to present the state of aeromagnetic data processing and analysis from the perspective of its evolution since the introduction of the Gulf Airborne Fluxgate Magnetometer in 1948. The paper is concerned exclusively with aeromagnetic data applied to the search of hydrocarbons in localized structures, but the content pertains to ground magnetic data, mineral exploration, to crustal or regional studies and even to the “new global tectonics”. Although high-sensitivity magnetic instrumentation has been available for at least five years; data processing, including compilation and interpretation, has not kept abreast of this development and has hindered the efficient application of the method.
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