A5049648279- Geological and Geochemical Analysis
- earthquake and tectonic studies
- Geochemistry and Geologic Mapping
- High-pressure geophysics and materials
- Hydrocarbon exploration and reservoir analysis
- Geochemistry and Elemental Analysis
- Geochemistry and Geochronology of Asian Mineral Deposits
- Advanced Condensed Matter Physics
- Geomagnetism and Paleomagnetism Studies
- Crystal Structures and Properties
- Geological and Geophysical Studies
- Paleontology and Stratigraphy of Fossils
- Lanthanide and Transition Metal Complexes
- Mineralogy and Gemology Studies
- Methane Hydrates and Related Phenomena
- Geology and Paleoclimatology Research
Institute of Geochemistry
2016-2025
Chinese Academy of Sciences
2016-2025
Guilin University of Technology
2025
China University of Geosciences (Beijing)
2021
University of Chinese Academy of Sciences
2012-2013
The Hongge giant Fe-Ti-V oxide ore deposit is hosted by a layered intrusion located in the central part of Emeishan large igneous province, SW China. relatively small comparison with other typical oxide-bearing intrusions worldwide; it consists lower olivine clinopyroxenite zone, middle and an upper gabbro zone (herein referred to as lower, middle, zones). Most economic layers occur within zone. ores are depleted REE enriched Zr, Hf, Nb, Ta compared associated clinopyroxenites. This...
Research Article| September 01, 2014 CONTRASTING PARENTAL MAGMA COMPOSITIONS FOR THE HONGGE AND PANZHIHUA MAGMATIC Fe-Ti-V OXIDE DEPOSITS, EMEISHAN LARGE IGNEOUS PROVINCE, SW CHINA* Zhong-Jie Bai; Bai 1State Key Laboratory of Ore Deposit Geochemistry, Institute Chinese Academy Sciences, Guiyang 550002, China Search for other works by this author on: GSW Google Scholar Hong Zhong; Zhong † †Corresponding author: e-mail, zhonghong@vip.gyig.ac.cn Chusi Li; Li 2Department Geological Indiana...
Abstract Reduction of fO2 in magma by organic carbon or addition external S to can play a major role the formation magmatic Ni-Cu sulfide deposits convergent tectonic settings. This study evaluates two competing genetic models for coeval, spatially related (Huangshandong and Huangshanxi) Central Asian orogenic belt using whole-rock C isotopes S/Se ratios, mineral isotopes, calculated fO2. The ratios range from 3,085 7,372, overlapping slightly higher than mantle (3,250 ± 400). δ34S values...
Paleozoic intrusive rocks are exposed in the Longshoushan area NW China, Northern Qilian Block and on southern edge of Alxa Block. Understanding petrogenesis tectonic setting these is crucial for reconstructing evolution tectonomagmatic processes that occurred along North Orogenic Belt between Central blocks. This study presents an integrated analysis petrology, zircon U-Pb geochronology, whole-rock geochemistry, with Sr–Nd–Pb isotopic data Hf–O analyses rocks. The Shandan consist primarily...
The North Qilian Orogen experienced a series of late Neoproterozoic to early Paleozoic tectonic events, including the opening and closure Proto-Tethyan Ocean, as well post-subduction processes. This study investigated Shandan adakites in Longshoushan area Orogen, focusing on zircon U–Pb geochronology, whole-rock geochemistry, Sr–Nd–Hf–O isotopic compositions. yield ages ca. 446–440 Ma, suggesting they crystallized during collision between Alxa blocks following Ocean. High Sr/Y (40.9–117)...
Recycling of surficial volatiles such as carbon into the mantle plays a fundamental role in modulating Earth’s habitability. However, slab devolatilization during subduction could prevent from entering deep mantle. Boron isotopes are excellent tracers recycled volatiles, but correlations between boron and heterogeneity indicators rarely observed, thereby casting doubt that substantial amounts can be Here, we show two different types primitive continental intraplate basalts correlate well...
Secondary ion mass spectroscopy U-Pb zircon ages and mineralogical, geochemical, Nd isotopic data are reported for the Tongde picritic dikes in Yanbian area of western Yangtze Block, South China. The dikes, which intruded ca. 820-Ma complex, dated at Ma. Most rocks highly porphyritic (ca. 15–35 vol% phenocrysts) with dominant olivine (–92) phenocrysts that high CaO (up to 0.43 wt%), Cr2O3, Ni. All studied high-Ti alkaline composition exhibit light rare earth element–enriched “humped”...
The chilled marginal rocks of the Panzhihua layered intrusion Emeishan Large Igneous Province (ELIP), SW China, including microgabbros and olivine–phyric gabbros, are similar to coeval high-Ti basalts in area both major trace element compositions. gabbros characterized by depleted Nd isotopic compositions (εNd(t) = +1·15 +4·18) initial 87Sr/86Sr (0·7043–0·7052) those series associated basalts. have (0·7045 0·7054) but more enriched (εNd(t)=−1·49 +0·06), suggesting that magma was contaminated...
Abstract The late Palaeoproterozoic to early Mesoproterozoic igneous rocks of southwestern China are characterized by a number mafic intrusions and dykes. However, the origin tectonic implications these dykes remain unclear. Hekou intrusion, intruding into Group in area, SW China, is biggest most representative one. intrusion mainly composed coarse-grained central zone (CZ) medium- fine-grained gabbroic outer (OZ). Cameca secondary ion mass spectroscopy (SIMS) U–Pb zircon ages, geochemical...