Correlations between radiometric, aeromagnetic, and geologic maps for the central part of Morocco are shown. Some geologic boundaries are closely followed by the total count.The relatively low sensitivity of the system (400 cu in detector, flown at 150 m) is adequate for producing radioactivity and radioelement distribution maps in this area with a high percentage of outcrop. Maps of thorium count, potassium count, and their ratio emphasize various geologic features.Uranium distribution maps are not presented because the area does not contain really characteristic anomalies in this channel.

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