A5014225867- Geological and Geochemical Analysis
- Planetary Science and Exploration
- Astro and Planetary Science
- Paleontology and Stratigraphy of Fossils
- Isotope Analysis in Ecology
- Geochemistry and Geologic Mapping
- Crystal Structures and Properties
- Radioactive element chemistry and processing
- earthquake and tectonic studies
- Dye analysis and toxicity
- Sensor Technology and Measurement Systems
- Water Quality Monitoring and Analysis
- Clay minerals and soil interactions
- Space Science and Extraterrestrial Life
- Analytical Chemistry and Sensors
- Space Exploration and Technology
- Geochemistry and Geochronology of Asian Mineral Deposits
- Identification and Quantification in Food
University of Chinese Academy of Sciences
2024
Institute of Geology and Geophysics
2020-2024
Chinese Academy of Sciences
2020-2024
Guilin University of Electronic Technology
2019
Abstract The distribution of water in the Moon’s interior carries implications for origin Moon 1 , crystallization lunar magma ocean 2 and duration volcanism . Chang’e-5 mission returned some youngest mare basalt samples reported so far, dated at 2.0 billion years ago (Ga) 3 from northwestern Procellarum KREEP Terrane, providing a probe into spatiotemporal evolution water. Here we report abundances hydrogen isotope compositions apatite ilmenite-hosted melt inclusions basalts. We derive...
New samples returned by China Chang'e-5 (CE-5) mission offer an opportunity for studying the lunar geologic longevity, space weathering, and regolith evolution. The age determination of CE-5 was among first scientific questions to be answered. However, precious samples, most in micrometer size range, challenge many traditional analyses on large single crystals zircon developed massive bulk samples. Here, we a non-destructive rapid screening individual zirconium-containing particle isotope...
To make potassium from K-bearing rocks accessible to agriculture, processing on biotite syenite powder under mild alkaline hydrothermal conditions was carried out, in which two types of KAlSiO4 were obtained successfully. The dissolution-precipitation process silicate is a significant lithospheric evolution. Its effective utilization will be importance for realizing the comprehensiveness aluminosilicate minerals nature. Two kinds precipitated sequence during dissolution syenite. crystal...
Dating mafic igneous rocks (silica-undersaturated) is difficult for the lack of suitable minerals such as zircons (ZrSiO4) commonly found in sialic granites. In this regard, baddeleyite (ZrO2) has been long recognized most important mineral to serve a geochronometer dating silica-undersaturated rocks. However, separating due its small grain size, typical tabular morphology, and low abundance samples. The standard water-based separation technique requires kilogram-sized samples usually very...
Abstract. Fluid infiltration into (meta-)carbonate rocks is an important petrologic process that induces metamorphic decarbonation and potential mineralization of metals or nonmetals. The determination the time compositional features reactive fluids essential to understand mechanism fluid–rock interactions. Zirconolite (ideal formula: CaZrTi2O7) U-bearing accessory mineral can develop in metasomatized metacarbonate rocks. In this study, we investigate occurrence, texture, composition,...
Inductively coupled plasma mass spectrometry was utilised to analyse the isotope ratios of 67 orange samples from different regions in China. To achieve geographic origin identification oranges, principal component analysis linear discriminant (LDA) and partial least squares regression (PLSR) have been used. Twelve were considered as significant variables by PLSR. A percentage original classification 97.0%, cross-validated rate 92.5% approach LDA combine with The results indicated that...
Abstract The distribution of water in the Moon’s interior carries key implications for origin Moon 1 , crystallisation lunar magma ocean 2 and duration volcanism2. Chang’E-5 (CE5) mission returned youngest mare basalt samples, dated at ca. 2.0 billion years ago 3 from northwestern Procellarum KREEP Terrane (PKT), providing a probe into spatio-temporal evolution water. Here we report abundance hydrogen isotope composition apatite ilmenite-hosted melt inclusions CE5 basalts, which derived...
In order to correct the effects of stray light on spectrophotometer in real time, a method based Pulse-Width Modulation (PWM) was proposed, which makes up for deficiency traditional instruments under variation interference source and improves rapid deployment capability wild. A system verifying underlie designed. Compared with commercial different sources, experimental results show that successfully corrected error caused by improved accuracy stability measurement. At same convenient...