Study on Gold Metallogenic Series in Zhejiang Segment of Qinhang Metallogenic Belt, China

Abstract

Qinhang Metallogenic Belt is an important metallogenic zone of copper, iron, and precious metals deposits, in China. On the basis of absorbing and summarizing the achievements in the previous researches, 5 kinds of gold metallogenic series are summed up. One of the most important series is Gold Metallogenic Series Related to Dynamic Metamorphism, of which the deposits are mainly distributed around Shaoxing-Jiangshan deep fault belt and have the characters of large amount and big reserve. The gold ores of other metallogenic series types are mainly associated with Pb, Zn and Cu deposits.

Paleo‐Pacific Plate Subduction and Basement Mobilization Triggered Large‐Scale Formation of Mesozoic Gold Deposits in the Northern Margin of the North China Craton

“…(2020), and Mo et al. (2021); The information of Yu'erya deposit come from Jia (2011), Kong et al. (2015), and B. W. Guo et al.…”

Mineralogy and Metallogenesis of the Sanbao Mn–Ag (Zn-Pb) Deposit in the Laojunshan Ore District, SE Yunnan Province, China

“…The Laojunshan Metamorphic Core Complex and Song Chay metamorphic dome extend from the belt between the NW-SE trending Wenshan-Malip fault zone and NW-SE striking Red River shear zone. The dome is the largest in the southwestern part of the South China Block and extends into Vietnam [8]. The so-called "Nanwenhe granitic gneiss" is composed of light gray intermediate to fine-grained granite with a porphyritic texture and gneissic fabric.…”

“…Mn-Ag orebody distribution was strictly controlled by the main faults (Figure 2a). Outcrops rocks include Middle Cambrian metamorphic rock series, carbonate rocks, and granite associated with the Yanshanian and Caledonian magmatism in the Laojunshan ore district [8,10,20,24]. The Middle Cambrian Tianpeng Formation is the dominant host for mineralization.…”

“…The metallogenetic model of the Sanbao Mn-Ag deposit remains in dispute and research about the existing state of silver is almost non-existent. Jia [8] considered that the Sanbao Mn-Ag deposit has obvious stratabound characteristics and features of volcanic exhalation-sedimentation as well as of distal skarns. Part of the ore body is formed in interlayer fracture zones.…”

“…In the course of its creation and evolution, the Mn-Ag ore formed through activation, migration, and concentration of Mn and Ag caused by the multiple-epoch metamorphism of the source bed. Although the geology and geochemistry of the Sanbao Mn-Ag deposit are available [8,10], the origin of this deposit is still poorly understood.…”