Relationship between Tectonic Evolution and Polymetallic Mineralization of the East Tianshan Plate Suture Zone
Muhetaer Zari
WU Zhao-ning
WU Chang-zhi
Parati Abudukadir
Abstract：Previous researches indicate that the eastern Tianshan plate suture zone between Kangur and Aqqikkudug faults underwent four stages geological evolution, namely, the formation of Tupan-Hami ocean in Devonian, subduction-type orogeny in Early Carboniferous, collisional orogeny in Late Carboniferous and post orogenic further deformation of the plate suture in Permian. Four obvious tectonic belts of the East Tianshan suture zone can be subdivided from north to south, which constitute a downward convergent wedgeshaped suture zone. Distribution of ore deposits in the East Tianshan is controlled by tectonics.From north to south, they are porphyry copper deposits in the front nappe belt, magmatie Cu (Ni) sulfide deposits and ductile shear zone type gold deposits in the phiolite melange belt, skarn type copper-ploymetallic deposits and hydrothermal gold deposits in the imbricate rock slices. The above different types in East Tianshan aggregate into four large metallogenic belts: copper metallogenic belt to the north of Kangur fault, gold, copper and nickel metallogenic belt (north belt), iron, copper, and silver polymetallic metallogenic belt of Yamansu-Aqqikkudug area (south belt), iron, lead-zinc and silver metallogenic belt.
Keywords：East Tianshan mountainsplate suture zonetectonicspolyrnetallic metallogenic seriesmineral exploration.
Publication Date：2010-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：9( 245-253 )