Open AccessThe tectonics stress and strain field modeling adjusted for evolution of geological structures (Sailag Intrusion, Eastern Sayan)
Author(s) -
В. Н. Войтенко,
В. В. Погорелов,
A. O. Якубовская,
A. В. Гонегер
Publication year - 2013
Publication title -
geodinamika i tektonofizika
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.336
H-Index - 8
ISSN - 2078-502X
DOI - 10.5800/gt-2013-4-4-0110
Subject(s) - massif , geology , shear zone , layering , intrusion , tectonics , shear (geology) , stress field , deformation (meteorology) , seismology , layered intrusion , petrology , geochemistry , finite element method , structural engineering , oceanography , botany , biology , engineering
The article describes a tectonophysical model showing evolution of structures in the Sailag granodiorite massif in relation to its gold-bearing capacity. The model takes into account the load patterns according to geological data, accumulated deformation, and gravity stresses. This model provides for updating the structural-geological model showing development of the intrusion body and the ore field. Forecasted are destruction patterns in the apical and above-dome parts of the massif in the intrusion and contraction phase, formation of the long-term shear zone at the steeply dipping slope of the intrusion body, and subvertical fractures associated with the long-term shear zone and vertical mechanical ‘layering’ of the intrusive body.