
General importance for the scientific fundamentals of geophysics and geology During this century radioactivity became very impor- tant for the scientific fundamentals of geosciences and also for practical use in applied geology and geophysics and by mining 1l. On average the radioactivity of crys- applied geophysics. a) Connect the world of applied geophysics. b) Connect geology and engineering to geophysics. c) Show the world the power of applied geophysics. Element 1 recognizes and respects our history. Element 2 is something that SEG and its members have always been engaged in but have not done a particularly good job of