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Publications
Publications (45)
The Great Xing′an and Lesser Xing′an ranges are characterized by immense volumes of Mesozoic granitoids. In this study, we present major and trace element geochemistry, U–Pb geochronology and systematic Sr–Nd–Hf isotopes for the representative samples, in order to constrain their petrogenesis and the tectonic evolution in NE China. The granitoids g...
The Tongshan Cu deposit is located in the northern segment of the Great Xing'an Range and represents one of the few early Paleozoic porphyry Cu deposits in northeastern China. The granitic rocks in the Tongshan Cu deposit include concealed granodiorite and exposed tonalite, which yield LA-ICP-MS zircon U–Pb ages of 478 ± 3 Ma and 214 ± 3 Ma, respec...
A number of gold deposits are newly discovered in the Lianhuashan ore field, southwestern Guizhou Province, China. The gold orebodies are restricted to the Emeishan basaltic rocks and the interlayer fractures between the Emeishan basaltic rocks and the limestone of the Maokou Formation. Three generations of pyrite (Py0, Py1, and Py2) have been reco...
Huojihe is a representative porphyry Mo deposit in the Lesser Xing'an Range, Northeast China. The major magmatic rocks in the ore district include granodiorite, porphyritic granodiorite, and monzogranite. Most of the orebodies are hosted within the granodiorite, with minor within the monzogranite. LA-ICP-MS zircon U–Pb dating of the granodiorite, p...
The early Paleozoic tectonic framework and evolutionary history of the eastern Central Asian Orogenic Belt (CAOB) is poorly understood. Here we present zircon U-Pb geochronology, whole rock geochemistry, and Sr-Nd-Hf isotope data of the early Paleozoic granitoids in eastern CAOB to investigate the petrogenesis and geodynamic implications.
The early...
The Youjiang metallogenic province (YMP) is a famous ore-concentrating area in South China, known for its substantial Carlin-type gold deposits, antimony deposits, and mercury deposits. Previous studies have yielded conflicting views regarding the ages of mineralization in this area, particularly regarding the occurrence of Yanshanian versus Indosi...
The Getang is a representative Carlin-type gold deposit in Southwest China. It has a proven reserve of about 30 tonnes at an average grade of 5.1 g/t Au. The orebodies occur as strat-abound lenses, and are structurally controlled by shallow NWW- and NE-trending fold-fault systems and the unconformity between the Upper and Middle Permian. In this st...
Sediment-hosted disseminated gold deposits in orogenic belts share many similarities to both epizonal orogenic and Carlin-type gold deposits, leading to a lot of difficulties in their genetic classification. The giant Jiagantan gold deposit was newly discovered in the West Qinling orogen, central China, and was selected to provide a better understa...
Cuihongshan Fe-Mo-polymetallic ore field in Heilongjiang Province belongs to the Lesser Xing´an Range-Zhangguangcailing Fe-polymetallic metallogenic belt, and is characterized by the large-scale mineralization of Fe, Pb, Zn, Mo and W. Among them, Mo mineralization is the most noticeable, with three mineralization styles, including skarn-porphyry Mo...
The Xiahe–Hezuo district in the West Qinling orogen hosts a large number of gold deposits, most of which are spatially associated with igneous rocks. However, the nature and origin of these igneous rocks and their possible relation with gold mineralization remain poorly understood. In this study, the ore-hosting igneous rocks from the Zaozigou, Yid...
The ore-accumulating structural system is a composite structural system which controls the migration and enrichment of ore-forming materials. The ore-accumulating structural systems can be divided into four genetic types: magmatic deposit structural system, magmatic hydrothermal deposit structural system, sedimentary-hydrothermal sedimentary deposi...
The Quanzigou Mo deposit is located in the western portion of the northern margin of the North China Craton (NCC). The results of molybdenite Re–Os isotopes indicate that the mineralization occurred at 170.8 ± 2.0 Ma. It is coeval with the mineralization-related porphyritic biotite granite pluton and granite porphyry dykes of respectively 170.3 ± 1...
Two main types of igneous rocks are distributed in the Cuizhong Fe polymetallic deposit, including the coarse-grained alkali-feldspar granite in the shallow part and the fine-grained alkali-feldspar granite at depth, whose relationships with ore mineralization have long been debated. Whole rock geochemistry, zircon U-Pb geochronology and Hf isotopi...
中上扬子地块周缘巨型成矿带是多旋回多阶段构造演化背景下成矿作用的产物。主要的成矿系统包括沉积-热水沉积成矿系统类、后生盆地流体成矿系统类、岩浆热液成矿系统类三大类。南华纪沉积-热水沉积锰成矿系统、震旦纪沉积-热水沉积铅锌成矿系统、震旦纪一寒武纪沉积-热水沉积银钒多金属成矿系统、二叠纪沉积-热水沉积锰成矿系统主要发育在古大陆边缘且形成于大地构造挤压向拉张的转换期,大型、超大型矿床定位受大陆边缘构造网络系统的制约,成矿的有利环境是拉张断裂控制的裂陷槽,同生断裂系统和深部含矿流体的持续补给是关键的控矿要素。印支一燕山早期后生盆地流体Pb-Zn成矿系统是本区主要的成矿系统且发育在盆山结合带,大型、超大型矿床定位主要受断裂、层位与岩性联合控制。燕山期岩浆热液型Pb-Zn多金属成矿系统受侵入接触构造体系...
It has been widely accepted that magmas genetically linked to porphyry (-skarn) Cu (Mo) deposits are commonly oxidized. Recently, using laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) techniques, zircon Ce⁴⁺/Ce³⁺, CeN/CeN*, EuN/EuN*, and Ce/Nd ratios, and magma ΔFMQ values (departure from the fayalite–magnetite–quartz oxygen...
Getang is a representative sediment-hosted disseminated gold (SHDG) deposit in the southwestern Guizhou Province, China. The majority of gold is present as structurally bound Au⁺ in pyrite, with a minor amount occurring as nanoparticles (Au⁰). Four generations of pyrite (Py0, Py1, Py2, and Py3) were distinguished based on morphology and paragenesis...
The Luoyang Fe deposit, located in southwestern Fujian Province (South China), is one of the Makeng-type skarn Fe deposits (i.e., skarn Fe deposits related to granite) related to the late Yanshanian (i.e., Early Cretaceous) granite. To better understand different mineral assemblages in different deposits, geochemistry and isotopic systematics of th...
The Zhazixi Sb–W deposit in the Xuefeng uplift, South China, exhibits a unique metal association of W and Sb, where the W orebodies are hosted by interlayer fractures and the Sb orebodies are contained within NW-trending faults. This study proposes that the W and Sb mineralization took place in two separate periods. The mineral paragenesis of the W...
The Nanling Range in South China is characterized by extensive Mesozoic magmatism and coeval nonferrous and rare metal mineralization. Huangshaping is a world-class Pb-Zn-W-Mo polymetallic skarn deposit in the central Nanling Range. Magmatic rocks occurring in this ore district include quartz porphyry, granite porphyry, granophyre, dacite porphyry,...
The Zhazixi Sb–W deposit is located in the Xuefeng uplift belt, South China. It is a structurally controlled hydrothermal vein-type deposit with unique metal associations of Sb and W. Field investigations suggest that structures in the Zhazixi Sb–W deposit are dominated by NW-trending faults and interlayer fractures. The former are critical to Sb m...
Whole-rock geochemical, zircon U-Pb geochronological and Sr-Nd-Hf isotopic data are presented for the Early Cretaceous volcanic rocks from the northern Da Hinggan Mountains. The volcanic rocks generally display high SiO2 (73.19–77.68 wt%) and Na2O+K2O (6.53–8.98 wt%) contents, with enrichment in Rb, Th, U, Pb and LREE, and depletion in Nb, Ta, P an...
The Chalukou giant Mo deposit in the Heilongjiang Province, northeastern China, is a porphyry deposit hosted in an intermediate-felsic complex surrounded by Mesozoic volcano–sedimentary rocks. The mineralization process is composed of four stages, including quartz + K-feldspar (Stage I), quartz + molybdenite (Stage II), pyrite + chalcopyrite + quar...
The large-sized Cuihongshan Fe-polymetallic deposit is located in the north segment of the Lesser Xing’an range, NE China. The Fe orebodies are dominantly hosted in the contact zone between the alkali-feldspar granite and the dolomitic crystalline limestones or skarns, whereas the Pb-Zn (Cu) and W-Mo orebodies are mostly hosted in the contact zone...
The Luming porphyry Mo deposit and the Xulaojiugou skarn Pb–Zn deposit are located in the southeast Lesser Xing’an Range, NE China. They are about 15 km apart, and are both related to monzogranite. Mo orebodies in the Luming deposit are hosted within the medium- to fine-grained monzogranite, while Pb–Zn orebodies in the Xulaojiugou deposit are host...
Suo-Fei Xiong M. He S. Yao- [...]
B. Chen
The Chalukou Mo deposit lies in the northern Great Xing'an Range, in which veinlet and breccia dominate mineralization. The whole hydrothermal ore-forming processes involve the following four stages: I. quartz-potash feldspar stage; II. quartz-molybdenite stage; III. quartz-polymetallic sulfide stage; IV. quartz-fluorite-calcite stage. The petrogra...
The Daheishan porphyry Mo deposit was recently discovered in the northern segment of the Great Xing'an Range, NE China. Three main types of granitoids are identified in this deposit: granodiorite, fine-grained granite, and porphyritic granite. The orebodies are dominantly hosted within the granodiorite and in the contact zone between the granodiori...
Based on the petrography, microscopic temperature measurement and bulk fluid inclusions analysis of the fluid inclusions and electron microprobe analysis of some minerals in the Shanggong gold deposit, the thermodynamic parameters of the ore-forming fluid in different metallogenic phases were calculated using thermodynamic principles and methods, a...