Some Problemes on the Aeromagnetic Survey

Abstract

Abstract In this paper, the problemes on the magnetic modelling of geological structure and the reduction of magnetic dato are mainly treated.
(1) The magnetic compartment in the basement complex, uplift and/or Subsidence of the base ment surface, the sills and the intrusives in the sediment are the cansative bodies of the magnetic anomalies, but the flow of volcanic rock overlaying the basement eomplex also plays an important role as magnetic basement, especially in Japanese oil-bearing pasin.
(2) The use of high seusitivity ground magnetometer for reduction of diurnal effect could save much time in compilation procedure, but the limitation of this method should be taken into eareful consideration.
After the discussion of these problemes, the example of the survey result in central Kambara plain is also discribed.