1887

Abstract

Large sublatitudinal linear zones, some part of which cross the Enisei Ridge and hereafter recede into the Siberian Platform are widely developed in the south-eastern West-Siberian Plate. Here in the great bulk they change their orientation on submeridional, according to the Enisei River valley. Probably, it is facilitated by a ridge subsidence north-westwardly. Data of instrumental measurements along the Enisei River channel are also told indirectly about it. The difference of absolute subsidences from the Eniseisk city to a mouth of the Podkamennaya Tunguska river makes about 6 mm/year (from-4.5 to-10.6 mm/year). The carried out analysis of joint systems development in zones of these fractures in rock natural exposures has revealed a connection between basic orientations of fractures with sublatitudinal direction in the south of the area (the Kolchum River and the Kas River) and submeridional direction in the north (the Dubches), and also a displacements of fault and shear types. It is in agreement with geological data and lineament analysis results with the use of radar cosmoimages.

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/content/papers/10.3997/2214-4609.20145566
2010-05-04
2021-01-26
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20145566
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