fig01.htm

Figure 1. Magnetochronologic columns, arranged according to data of the component analysis of the difference vectors of the NRM in the process of the detailed thermal demagnetization [Pechersky et al., 2004]. Blue color - normal (N) magnetic polarity, primary cooling intervals - bright color, weak color - partial or complete more young remagnetization; red color - reverse (R) polarity, bright color - primary cooling intervals, weak color - partial or complete more young remagnetization; white color - unreliable intervals. Fully unreliable samples are not included into the figure. Distance between columns is proportional to the vertical distance between the samples. The time scale is made on the basis of the thermophysical calculations. The "zero" point (magnetite Curie temperature) shifts from the base of the section to the top (375 m) for approximately 10 thousand years. Td - NRM unblocking temperature during the laboratory thermal demagnetization, Tb - NRM blocking temperature in the process of cooling of the Monchegorsk intrusion, oC. Time is in kyr. Figures on the top of the columns are sample numbers.


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