Diverse and multistage Mo, Au, Ag–Pb–Zn and Cu deposits in the Xiong'er Terrane, East Qinling: From Triassic Cu mineralization

Mingping Cao, Junming Yao, Xiaohua Deng, Fengjie Yang, Guangzhou Mao, Ryan Mathur

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The Xiong'er Terrane is one of the representative regions in East Qinling Orogenic Belt. Various polymetallic deposits have been discovered in the Xiong'er Terrane, such as porphyry Mo, carbonatite-hosted type Mo, quartz-vein type Mo, breccia-pipes type Au and orogenic-type Au, Ag–Pb–Zn deposits, indicating that diverse significant mineralization occurred in the Xiong'er Terrane. Recently, numerous Cu deposits have been observed in the Xiong'er Terrane. Xianglugou is a quartz vein-type copper mineralization which was discovered in Xiayu district, southern of the Xiong'er Terrane. Four chalcopyrite samples from Xianglugou yield Re–Os isochron age of 230 ± 31 Ma (2σ, MSWD = 0.8). This is the first evidence for Triassic Cu mineralization in the Xiong'er Terrane. This not only shows the Xiong'er Terrane contains considerable Mo, Au and Ag–Pb–Zn reserve, but also indicates that there is a great potential of Cu mineralization. The discoverable Cu mineralization can further emphasize the significance of the widespread Triassic mineralization and widened exploration ideas and goals in the future in the Xiong'er Terrane. The Xiong'er Terrane experienced three polymetallic mineralization events including Paleoproterozoic, Triassic and Late Jurassic to Early Cretaceous deposits during the Qinling Orogen evolution. These metallogenic events may be related to multiple tectonic events. The Paleoproterozoic mineralization was associated with the continental outgrowth occurred along the southern margin of the North China Craton before 1760 Ma. The Triassic Cu mineralization may be associated with the northward subduction of the North Qinling Orogen beneath the Huaxiong Block during the collision between North China Craton and Yangtze Craton. Late Jurassic to Early Cretaceous mineralization perhaps caused by decompressional extension of the Qinling Orogenic belts and the North China Craton intense destruction and lithospheric thinning, which is now generally related to the westward subduction of paleo-Pacific plate.

Original languageEnglish (US)
Pages (from-to)565-574
Number of pages10
JournalOre Geology Reviews
Volume81
DOIs
StatePublished - Mar 1 2017

Fingerprint

terrane
Triassic
Deposits
mineralization
Quartz
craton
Tectonics
Copper
quartz vein
orogenic belt
Pipe
subduction
Jurassic
Cretaceous
diatreme
carbonatite
Pacific plate
chalcopyrite
porphyry
thinning

All Science Journal Classification (ASJC) codes

  • Geology
  • Geochemistry and Petrology
  • Economic Geology

Cite this

Cao, Mingping ; Yao, Junming ; Deng, Xiaohua ; Yang, Fengjie ; Mao, Guangzhou ; Mathur, Ryan. / Diverse and multistage Mo, Au, Ag–Pb–Zn and Cu deposits in the Xiong'er Terrane, East Qinling : From Triassic Cu mineralization. In: Ore Geology Reviews. 2017 ; Vol. 81. pp. 565-574.
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abstract = "The Xiong'er Terrane is one of the representative regions in East Qinling Orogenic Belt. Various polymetallic deposits have been discovered in the Xiong'er Terrane, such as porphyry Mo, carbonatite-hosted type Mo, quartz-vein type Mo, breccia-pipes type Au and orogenic-type Au, Ag–Pb–Zn deposits, indicating that diverse significant mineralization occurred in the Xiong'er Terrane. Recently, numerous Cu deposits have been observed in the Xiong'er Terrane. Xianglugou is a quartz vein-type copper mineralization which was discovered in Xiayu district, southern of the Xiong'er Terrane. Four chalcopyrite samples from Xianglugou yield Re–Os isochron age of 230 ± 31 Ma (2σ, MSWD = 0.8). This is the first evidence for Triassic Cu mineralization in the Xiong'er Terrane. This not only shows the Xiong'er Terrane contains considerable Mo, Au and Ag–Pb–Zn reserve, but also indicates that there is a great potential of Cu mineralization. The discoverable Cu mineralization can further emphasize the significance of the widespread Triassic mineralization and widened exploration ideas and goals in the future in the Xiong'er Terrane. The Xiong'er Terrane experienced three polymetallic mineralization events including Paleoproterozoic, Triassic and Late Jurassic to Early Cretaceous deposits during the Qinling Orogen evolution. These metallogenic events may be related to multiple tectonic events. The Paleoproterozoic mineralization was associated with the continental outgrowth occurred along the southern margin of the North China Craton before 1760 Ma. The Triassic Cu mineralization may be associated with the northward subduction of the North Qinling Orogen beneath the Huaxiong Block during the collision between North China Craton and Yangtze Craton. Late Jurassic to Early Cretaceous mineralization perhaps caused by decompressional extension of the Qinling Orogenic belts and the North China Craton intense destruction and lithospheric thinning, which is now generally related to the westward subduction of paleo-Pacific plate.",
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Diverse and multistage Mo, Au, Ag–Pb–Zn and Cu deposits in the Xiong'er Terrane, East Qinling : From Triassic Cu mineralization. / Cao, Mingping; Yao, Junming; Deng, Xiaohua; Yang, Fengjie; Mao, Guangzhou; Mathur, Ryan.

In: Ore Geology Reviews, Vol. 81, 01.03.2017, p. 565-574.

Research output: Contribution to journalArticle

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T1 - Diverse and multistage Mo, Au, Ag–Pb–Zn and Cu deposits in the Xiong'er Terrane, East Qinling

T2 - From Triassic Cu mineralization

AU - Cao, Mingping

AU - Yao, Junming

AU - Deng, Xiaohua

AU - Yang, Fengjie

AU - Mao, Guangzhou

AU - Mathur, Ryan

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N2 - The Xiong'er Terrane is one of the representative regions in East Qinling Orogenic Belt. Various polymetallic deposits have been discovered in the Xiong'er Terrane, such as porphyry Mo, carbonatite-hosted type Mo, quartz-vein type Mo, breccia-pipes type Au and orogenic-type Au, Ag–Pb–Zn deposits, indicating that diverse significant mineralization occurred in the Xiong'er Terrane. Recently, numerous Cu deposits have been observed in the Xiong'er Terrane. Xianglugou is a quartz vein-type copper mineralization which was discovered in Xiayu district, southern of the Xiong'er Terrane. Four chalcopyrite samples from Xianglugou yield Re–Os isochron age of 230 ± 31 Ma (2σ, MSWD = 0.8). This is the first evidence for Triassic Cu mineralization in the Xiong'er Terrane. This not only shows the Xiong'er Terrane contains considerable Mo, Au and Ag–Pb–Zn reserve, but also indicates that there is a great potential of Cu mineralization. The discoverable Cu mineralization can further emphasize the significance of the widespread Triassic mineralization and widened exploration ideas and goals in the future in the Xiong'er Terrane. The Xiong'er Terrane experienced three polymetallic mineralization events including Paleoproterozoic, Triassic and Late Jurassic to Early Cretaceous deposits during the Qinling Orogen evolution. These metallogenic events may be related to multiple tectonic events. The Paleoproterozoic mineralization was associated with the continental outgrowth occurred along the southern margin of the North China Craton before 1760 Ma. The Triassic Cu mineralization may be associated with the northward subduction of the North Qinling Orogen beneath the Huaxiong Block during the collision between North China Craton and Yangtze Craton. Late Jurassic to Early Cretaceous mineralization perhaps caused by decompressional extension of the Qinling Orogenic belts and the North China Craton intense destruction and lithospheric thinning, which is now generally related to the westward subduction of paleo-Pacific plate.

AB - The Xiong'er Terrane is one of the representative regions in East Qinling Orogenic Belt. Various polymetallic deposits have been discovered in the Xiong'er Terrane, such as porphyry Mo, carbonatite-hosted type Mo, quartz-vein type Mo, breccia-pipes type Au and orogenic-type Au, Ag–Pb–Zn deposits, indicating that diverse significant mineralization occurred in the Xiong'er Terrane. Recently, numerous Cu deposits have been observed in the Xiong'er Terrane. Xianglugou is a quartz vein-type copper mineralization which was discovered in Xiayu district, southern of the Xiong'er Terrane. Four chalcopyrite samples from Xianglugou yield Re–Os isochron age of 230 ± 31 Ma (2σ, MSWD = 0.8). This is the first evidence for Triassic Cu mineralization in the Xiong'er Terrane. This not only shows the Xiong'er Terrane contains considerable Mo, Au and Ag–Pb–Zn reserve, but also indicates that there is a great potential of Cu mineralization. The discoverable Cu mineralization can further emphasize the significance of the widespread Triassic mineralization and widened exploration ideas and goals in the future in the Xiong'er Terrane. The Xiong'er Terrane experienced three polymetallic mineralization events including Paleoproterozoic, Triassic and Late Jurassic to Early Cretaceous deposits during the Qinling Orogen evolution. These metallogenic events may be related to multiple tectonic events. The Paleoproterozoic mineralization was associated with the continental outgrowth occurred along the southern margin of the North China Craton before 1760 Ma. The Triassic Cu mineralization may be associated with the northward subduction of the North Qinling Orogen beneath the Huaxiong Block during the collision between North China Craton and Yangtze Craton. Late Jurassic to Early Cretaceous mineralization perhaps caused by decompressional extension of the Qinling Orogenic belts and the North China Craton intense destruction and lithospheric thinning, which is now generally related to the westward subduction of paleo-Pacific plate.

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