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Publications (20)
The fault-controlled Nibao Carlin-type gold deposit, together with the strata-bound Shuiyindong deposit, comprise a significant amount of the disseminated gold deposits in southwestern Guizhou Province, China. Five main types and two sub-types of pyrite at the Nibao deposit (Py1a/Py1b, Py2, Py3, Py4, Py5) were distinguished based on detailed minera...
Carlin-style (sediment-hosted, "invisible" gold) and epithermal gold deposits are commonly enriched in mercury (Hg), but the source of this metal is not well known. In the world, the association of Hg with gold is often related to magmatism, however, it is still unclear whether magmatism serves as a direct Hg source in gold deposits, or only an ene...
The Carlin-type gold deposits in the Youjiang Basin, SW China can be further classified into three sub-types; strata-bound, fault-controlled, and diabase-associated. The compositions and sources of the ore-forming fluids for each deposit type are evaluated using the texture of calcite by CL (Cathode luminescence), its chemistry by EMPA (Electron pr...
The Tengchong–Lianghe tin belt in western Yunnan Province, southwest China, is the most important tin mineralization belt in the Sanjiang Tethyan Metallogenic Domain (STMD). There are two large tin deposits in this belt: the Paleogene Lailishan and the Late Cretaceous Xiaolonghe deposits. The two deposits are spatially and temporally associated wit...
The (Pb-Zn)-Ag-Ge deposits of the Qilinchang deposit (Western Yangtze Platform,
southwest China) are hosted by a 20m thick sequence of Early Carboniferous
carbonate rocks of the Baizuo Formation. Sulfide mineralization consists mainly of
pyrite sphalerite, galena, chalcopyrite, and marmatite, while gangue minerals are
dolomite, calcite, and quartz....
The Qilinchang Pb-Zn deposit ( 5Mt of sulphide ore at mean grades of 2.3-9.2 % Pb and
2.7-22.5 % Zn) is hosted in Early Carboniferous carbonate rocks and mainly controlled by NE-,
NS-, and NW- trending structural belts between the Xiaojiang and Zhaotong-Qujing buried faults.
Ore minerals are sphalerite, galena, pyrite, chalcopyrite, and marmatite,...
The Shuiyindong Carlin-like gold deposit, the largest one of this type in China, is located in the Late Paleozoic–Early Mesozoic Youjiang basin. The pyrites in the studied ore bodies (No. I to V) can be divided into four main types plus several sub-types: (1) As-poor pyrites include Py1 (Py1a and Py1b), Py2, and Py3; and (2) As-rich pyrite Py4 (Py4...
The Sarduiyeh granitoid (SG) is intruded in the southeastern part of the Dehaj-Sarduiyeh volcano-sedimentary belt in the southeastern end of the Urumieh-Dokhtar Magmatic Arc (UDMA) in Iran. The medium-to-coarse-grained granitoid unit, with granular texture consists mainly of diorite, tonalite, granodiorite and monzogranitic rocks. Mineralogically,...
Throughout the geological history of the Earth, submarine hydrothermal activity has played an important role in seawater chemistry, biological evolution and enrichment of metals in the Earth crust. However, the prospect of hydrothermal activity for extreme element accumulation during the early Cambrian, a key geological period, in South China has n...
The South China Craton was formed by amalgamation of the Yangtze and Cathaysia Blocks during the Neoproterozoic. During the Mesozoic, voluminous granitic plutons and associated W-Sn polymetallic deposits were formed in the Cathaysia Block. The giant South China low-temperature metallogenic domain (LTMD) includes an area of ∼500,000 km² in the Yangt...
The relationship between the Carlin-Type gold deposits with magmatism is stiil debatable. Numerous Carlin-Type gold deposits occur in the Youjiang basin, Southwest China. Due to the limited exposures of magmatic rocks within this region, it is unknown if there is genetic connections between magmatism and gold mineralization. The inherited zircons f...
Total organic carbon content (TOC), trace element and platinum-group element (PGE) concentrations were determined in the black shales of the Lower Cambrian Niutitang Formation in the Nayong area, Guizhou Province, South China, in order to study the polymetallic Ni–Mo–PGE mineralization. The results demonstrate that numerous elements are enriched in...
The Bainiuchang silver-polymetallic ore deposit is a super-large deposit in the western part of the South China tungsten–tin province (or the Nanling tungsten–tin province). The deposit is spatially and temporally associated with the Bozhushan granite pluton. Our new data indicate that the Bozhushan granitoids formed at 86–87 Ma. The granitoids are...
The Tengchong-Lianghe tin belt is the most importantpart of the tin metallogenic belt in southwest China’s Sanjiang Metallogenic province. In this district, two A-type granite plutons that are spatially associated with the tin deposits have recently been discovered. These granitoids are dominated by biotite granites with weakly peraluminous to meta...
The Tengchong-Lianghe tin district in northwestern Yunnan, China, is an important tin mineralization area in the Sanjiang Tethyan Metallogenic Domain. There are three N–S trending granite belts in the Tengchong-Lianghe area, with emplacement ages ranging from Early Cretaceous to Late Cretaceous and Early Cenozoic. Tin mineralization is spatially as...
The Xunyang Hg–Sb orefield, Shaanxi Province, containing two large (Gongguan and Qingtonggou) and tens of small to medium Hg–Sb deposits, is located in the southern Qinling Orogen. Ore bodies of the deposits are hosted in Devonian dolomite and controlled by a fault system. Ores are mainly present as massive veins, disseminations, breccias and fine...
Zhang Y, Chen YJ, Qi JP, Leng CB, and Zhao CH
The garnet-bearing granite-porphyry dykes in the Yangshan gold belt, Gansu Province, are peraluminum granitoids with A/CNK ratios ranging 1.65 ~ 3.65. The granite-porphyries are rich in LILE and LREE, and depleted in Ba, Sr, Nb, Ta, P and Ti, showing similar trace element pattern to typical syn-collision granites. With ΣREE = 54.35 ~ 124.01 10-6,...
The Yangshan gold deposit is a superlarge deposit recently found in western Qinling Orogen. Using electron microprobe technique, the authors analyzed the contents of Y, Th, U and Pb in monazites from the Au-bearing altered granite-porphyry dykes, and then calculate their apparent ages using ChemAge procedure. The apparent ages cluster into three gr...
