FIELD: data processing.
SUBSTANCE: invention relates to geophysics and can be used for mapping magnetic anomalies-indicators of hydrocarbon deposits. Magnetic anomalies are detected from high-accuracy aeromagnetic survey data. Aerogravimetric survey is carried out. Gravitational anomalies are recalculated into pseudomagnetic anomalies. Pseudomagnetic anomalies are subtracted from magnetic anomalies. Magnetic anomalies-indicators of hydrocarbon deposits are mapped from obtained difference.
EFFECT: high accuracy of mapping.
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