Abstract
By the stress field’s reconstruction and the analysis of the distribution for the slickenside belts and the dike-hosting faults, the dominating left-lateral strike slip component is found for the Kolumbe Fault. This component is caused by the regional SES-NWN compression. The igneous rocks of the East Sikhote Alin volcanic-plutonic belt are considered as units synchronous with the regional displacement. Following the opinion of V.P. Utkin, the rift strike-slip-tension origin of these structures is suggested. Based on the structural-tectonic position of the volcanic rocks and the accompanying intrusive bodies and on the other geological data as well, several dislocation stages are distinguished in the Kolumbe Fault’s evolution. It is found that the dominating strike-slip motions along the main fault and its feathering faults changed to normal and reverse faulting deformations at the end of every stage.
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