Remote sensing image features of XiaoLangou gold deposit, Micangshan area

Ganshun Wang; Jisheng Wei; Weizhong Tao; Derong Chen

doi:10.1117/12.319539

19 August 1998 Remote sensing image features of XiaoLangou gold deposit, Micangshan area

Ganshun Wang, Jisheng Wei, Weizhong Tao, Derong Chen

Proceedings Volume 3504, Optical Remote Sensing for Industry and Environmental Monitoring; (1998) https://doi.org/10.1117/12.319539
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

Abstract

In 1990, according to the interpretation of satellite images, that was proposed the gold deposit in Micangshan area is controlled by SN-shear zone by the first author of this paper. Now a middle gold deposit has been found in XaoLangou. Using TM 6/4, 7/4, 5/4 image, the previous-named 'amphibole diorite' is divided into quartz diorite ((delta) o₂³) and KangDing super-group, and considered that KangDing super-group is the oldest auteferous formation, irregular massive enclaves texture which show diffuse contact with the rockbody can be distinguished on satellite images (the enclaves are mainly migmatized plagioclase granulate, plagioclase amphibole, troudjemite and so on), and are inferred to be relicts of remitted Ar-Pt₁ geobody. So it is considered that the rockbody is a s-type granite rockbody formed by the reworking of earlier crust; along several SN ductile-brittle fault zone with about 5 - 6 km length in intensively developed intense chloritization and solidification. They are expressed as light-blue color zone in TM 5/7 - 4/3 image, red, yellow alteration color patches on super imposed on SN and NE- striking (or latitudinal) fault structures, they infer beresitization (or felsitization) in middle period stage. It has been discovered that saccharoidal quartz and nugget- bearing quartzdikes had been formed during late period stage. In JERS-1 SAR image, ductile shear zone displayed bright thin lines or small patterns which are dense, almost parallel, discontinuous extending along a line. In the view of researches for metllogenic image features, had predicted metallogenic belt-ore deposit and has achieved good results.

Citation Download Citation

Ganshun Wang, Jisheng Wei, Weizhong Tao, and Derong Chen "Remote sensing image features of XiaoLangou gold deposit, Micangshan area", Proc. SPIE 3504, Optical Remote Sensing for Industry and Environmental Monitoring, (19 August 1998); https://doi.org/10.1117/12.319539

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