A5018756370- Geological and Geochemical Analysis
- earthquake and tectonic studies
- High-pressure geophysics and materials
- Geochemistry and Geologic Mapping
- Geochemistry and Elemental Analysis
- Geological and Geophysical Studies
- Geochemistry and Geochronology of Asian Mineral Deposits
- Luminescence Properties of Advanced Materials
- Advanced Photocatalysis Techniques
- Quantum Dots Synthesis And Properties
- Hydrocarbon exploration and reservoir analysis
- Pesticide Residue Analysis and Safety
- Polydiacetylene-based materials and applications
- Luminescence and Fluorescent Materials
- Inorganic Fluorides and Related Compounds
- Laser-induced spectroscopy and plasma
- Analytical Chemistry and Chromatography
- Mineralogy and Gemology Studies
- Photochromic and Fluorescence Chemistry
- Nonlinear Optical Materials Studies
- Photopolymerization techniques and applications
- Diamond and Carbon-based Materials Research
- Antibiotics Pharmacokinetics and Efficacy
- Ga2O3 and related materials
Beijing Normal University
2022-2024
Chinese Academy of Geological Sciences
2014-2022
Chinese Academy of Sciences
2020-2022
Ministry of Natural Resources
2018-2022
Institute of Geology and Geophysics
2020-2022
Shenzhen University
2009
Abstract The Changning–Menglian orogenic belt ( CMOB ) in the southeastern Tibetan Plateau, is considered as main suture zone marking closure of Palaeo‐Tethys Ocean between Indochina and Sibumasu blocks. Here, we investigate recently discovered retrograded eclogites from this terms their petrological, geochemical geochronological features, with aim constraining metamorphic evolution protolith signature. Two types metabasites are identified: mafic schists. igneous precursors exhibit rare...
Permian−Triassic eclogites exposed on the Tibetan Plateau have traditionally been attributed to Paleo-Tethys oceanic subduction. Here we report new data that indicate a continental-subduction origin of Pianshishan along Longmuco-Shuanghu suture in northern Tibet. Phase equilibrium modeling and zircon U-Pb dating constrain eclogite-facies metamorphism ∼2.1 GPa/530 °C occurred ca. 235 Ma. Xenocrysts 1850 Ma metamorphic zircons crustal trace element signatures reveal continental protolith for...
Abstract A late Mesoproterozoic detrital zircon (DZ) age population, which was previously considered diagnostic of a link between the Lhasa terrane and northwest Australia, occurs in other Gondwanan components, thus obscuring paleogeographic position Gondwana. Here we compiled large‐ n ( ≥ 300) DZ U‐Pb data from potential source regions various proposed reconstructions, attempted to synthesize spectra through mixing modeling. Our modeling results support Permo‐Carboniferous having received...
云南三江地区昌宁-孟连杂岩带中的澜沧岩群内出露多种类型变沉积岩，主要包括含十字蓝晶石榴云母片岩、石榴云母片岩、硬绿泥石白云母片岩和绿泥蓝闪钠长片岩等。系统的岩相学观察、矿物化学和相平衡模拟研究结果表明，不同类型的变沉积岩保存了不同的变质演化历史。含十字蓝晶石榴云母片岩记录了自中温榴辉岩相降温降压至角闪岩相的退变质过程，峰期矿物组合为石榴子石+蓝晶石+多硅白云母+硬玉，变质温压条件为600~750℃和19~30kbar。通过石榴子石的XPrp和XGrs，和多硅白云母的Si值限定石榴云母片岩的峰期矿物组合包括石榴子石+多硅白云母+绿辉石+硬柱石+钠云母，峰期温压条件为430~475℃和17~19.5kbar。硬绿泥石白云母片岩矿物组成包括硬绿泥石+多硅白云母+钠云母，然而峰期矿物组合则以多硅白云母+钠云母+纤柱石为特征，通过多硅白云母的Si值限定峰期温压条件约为300~330℃和17~19kbar。石榴云母片岩和硬绿泥石白云母片岩较为一致地记录了从峰期硬柱石蓝片岩相升温降压至绿帘石蓝片岩相的退变质过程。绿泥蓝闪钠长片岩主要通过变质反应和成因矿物学特征大致估算其温压条件约为430~52...
A rapid confirmatory and quantitative method using liquid chromatography–high resolution mass spectrometry (LC–HRMS) was developed to determine sub-µg/kg levels of chloramphenicol (CAP) in meat products. The sample plus deuterated internal standard homogenised, extracted with ethyl acetate, centrifuged the supernatant evaporated dryness. residue re-dissolved methanol/5% ammonium acetate solution (20:80, v/v), defatted hexane directly injected into LC–MS. Chromatographic separation performed...
The Sulu ultrahigh-pressure (UHP) belt has been proven to form by deep northward subduction of the Yangtze Block (YB) beneath North China (NCB) in Triassic. basement rocks originated from YB and experienced Triassic UHP metamorphism. In this contribution, we identify for first time tens non-UHP metasedimentary blocks enclosed regional granitic gneiss Weihai terrane northeastern belt. They are mainly composed paragneiss, marble calc-silicate rocks, which UHP-related minerals have not...