fig12.htm

Figure 12. Kivakka. Stereogram of paleomagnetic directions of NRM components detected during the thermal demagnetization and a component analysis in the geographic coordinates. Circles show components A (the second quadrant and low inclinations - component A1, high inclinations - component A2, acquired after tilting of the Kivakka block), crosses show component B. Circles in the 4 quadrant are high-temperature components, possibly normal polarity A, a typical component B is distinguished in these samples, two of these points are included in calculation of the mean direction of A1, for which purpose their polarity was changed for a reversal. "Jumped off" crosses refer to component B as an ordinary high-temperature reverse polarity component A is detected in the same samples. The dotted line show areas of points where components A and B are not separated.


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