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Groshev N.Yu.

On the challenging gabbro in the intrusions of the peridotite-pyroxenite-gabbronorite formation by the example of the geological structure of the Fedorova Tundra top intrusion

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Abstract. The paper deals with deformational history of Palaeoproterozoic rocks of the Sergozero Unit. The deformations occurred 1.97-1.90 Ga ago. The temporal succession of compressional (D2-D3) and extensional (D4-D5) deformations has been considered. Results of geometrical (D1-D5) and kinematic (D2-D4) analyses of linear and planar textures have been presented. The extensional event D4 resulted in the development of gold-bearing shear zones.

Keywords: layered intrusions, gabbro, fluidization

Printed reference: Groshev N.Yu. On the challenging gabbro in the intrusions of the peridotite-pyroxenite-gabbronorite formation by the example of the geological structure of the Fedorova Tundra top intrusion // Vestnik of MSTU. 2009. V. 12, No 3. P. -.

Electronic reference: Groshev N.Yu. On the challenging gabbro in the intrusions of the peridotite-pyroxenite-gabbronorite formation by the example of the geological structure of the Fedorova Tundra top intrusion // Vestnik of MSTU. 2009. V. 12, No 3. P. -. URL: http://vestnik.mstu.edu.ru/v12_3_n36/articles/14_grosh.pdf.

(In Russian, p.4, fig. 2, tables 1, ref 4, Adobe PDF)