THE CHARACTERISTICS OF ROCK MAGNETIC FABRIC AND ITS RELATIONSHIP TO GOLD MINERALIZATION IN SAWAYAERDUN GOLD DEPOSIT, XINJIANG

CHEN Xuan-hua; MA Tian-lin; SUN Li-qian; ZHOU Jian-hai; ZHANG Xin-li

2001 Vol. 7, No. 3

Article Contents

Article navigation > Journal of Geomechanics > 2001 > 7(3): 208-216

Next Article Previous Article

CHEN Xuan-hua, MA Tian-lin, SUN Li-qian, ZHOU Jian-hai, ZHANG Xin-li. 2001. THE CHARACTERISTICS OF ROCK MAGNETIC FABRIC AND ITS RELATIONSHIP TO GOLD MINERALIZATION IN SAWAYAERDUN GOLD DEPOSIT, XINJIANG. Journal of Geomechanics, 7(3): 208-216.

Citation:

THE CHARACTERISTICS OF ROCK MAGNETIC FABRIC AND ITS RELATIONSHIP TO GOLD MINERALIZATION IN SAWAYAERDUN GOLD DEPOSIT, XINJIANG

1. Institute of Geomechanics, CAGS, Beijing 100081, China;
2. No.2 Geologic Party, XBGE, Kashi 844000, China

Received Date: 10 May 2001

Abstract

Abstract

The magnetic fabric characteristics and its relationship to the gold mineralization in Sawayaerdun gold deposit,Xinjiang,China,are reported here. The data given here show compression in NW-SE direction and sinistral shearing vertical to this direction. There are contraction-type and flaser-type strains occurring alternatively in NW-SE,where flaser-type strains are much more developed. Gold-bearing veins occur in en echelon,which are products of sinistral shearing. The ore vein Ⅳ,the most important gold-bearing vein,occurs in the weakly strained area close to the most strongly strained belt. Gold mineralization exists in weakly deformed rocks closely related to quartz vein,showing post-tectonic filling and crystalling of the gold -bearing fluid. Combined with the microtexture analysis of rocks in this area,Sawayaerdun gold deposit is proposed to be a shearing zone-type gold deposit,where gold bearing fluid coming from rocks in this area through pressure solution during ductile deformation,filled fractures due to tectonic compresso-shearing.
- Sawayaerdun gold deposit /
- magnetic fabric /
- gold mineralization