Palæomagnetism of Chemical Sediments

Abstract

SINCE previous observations of remanent magnetism of sedimentary rocks have been mainly confined to detrital deposits, we would like to report on new significant results obtained with chemical deposits. In the case of detrital sediments, the question has arisen sporadically as to whether the inclination of the remanent vector is changed by the realignment of the magnetic particles upon meeting the bottom surface in the settling process and also by movements later in the compaction process. This question does not hold in the case of chemical deposits. Perhaps of more importance, these particular rocks exhibit a desirable stability of magnetization.