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Characteristics and Genesis of the Aktubaik Gold Deposit in Altay, Xinjiang
Author(s) -
Yongguan DONG,
Chuanlin ZHANG
Publication year - 2000
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/j.1755-6724.2000.tb00027.x
Subject(s) - precambrian , geology , geochemistry , mineralization (soil science) , gold ore , soil water , soil science
The Aktubaik gold deposit lies in the Altay middle‐high mountains area, Xinjiang, hosted by the Palaeo‐ and Mesoproterozoic Xemirxek Group. It is the first gold deposit found in Precambrian rocks in Altay. The deposit is controlled by the NW‐trending fracture‐alteration zone, in which rocks have been strongly altered and bleached. The main wall‐rock alterations include silicification, sericitization (muscovitization), carbonation, pyritization and tourmalinization. Several gold mineralization zones of this type have been found in the study area. The dominant gold mineral is native gold, which is distributed very unevenly, so special methods such as peeling and bulk sampling are required in exploration. The discovery of this gold deposit has laid a foundation for gold exploration in Precambrian rocks in the Altay middle‐high mountains area, Xinjiang.