A5101766976- Geophysics and Gravity Measurements
- Geological and Geochemical Analysis
- Solar and Space Plasma Dynamics
- earthquake and tectonic studies
- Pulsars and Gravitational Waves Research
- High-pressure geophysics and materials
- Relativity and Gravitational Theory
- Geological Studies and Exploration
- Hydrocarbon exploration and reservoir analysis
- Spacecraft Dynamics and Control
- Geophysics and Sensor Technology
- Statistical and numerical algorithms
- Cosmology and Gravitation Theories
- Geochemistry and Elemental Analysis
- Inertial Sensor and Navigation
- Geomagnetism and Paleomagnetism Studies
- Geochemistry and Geologic Mapping
- Stellar, planetary, and galactic studies
- Astro and Planetary Science
- Astrophysical Phenomena and Observations
- Aeolian processes and effects
- Planetary Science and Exploration
Nanjing University
2020-2025
Monash University
2024
Research Institute of Petroleum Exploration and Development
2020
Rice University
2020
Peking University
2020
Guangzhou Institute of Geochemistry
2020
Chinese Academy of Sciences
2020
Northeast Normal University
1991-2018
Northeastern University
1989
The chemical compositions of most lunar impact glass beads reflect mixing crustal components including mare basalts, highlands rocks, and KREEP [from high concentrations K, REE (rare earth element), P]. However, a few in the soil from Chang’e-5 mission have unusually MgO contents that require distinct target compositions. young age these high-MgO suggests an origin through melting ultramafic rocks with abundant pyroxene olivine. While such targets might represent cumulates melts, or Mg-suite...
Abstract The recycling of supracrustal materials, and in particular hydrated rocks, has a profound impact on mantle composition thus the formation continental crust, because water modifies physical properties lithological systems mechanisms partial melting fractional fractionation. On modern Earth, plate tectonics offers an efficient mechanism for mass transport from Earth's surface to its interior, but how far this dates back history is still uncertain. Here, we use zircon oxygen (O)...
Abstract In subduction zones, materials on Earth’s surface can be transported to the deep crust or mantle, but exact mechanisms and nature of recycled are not fully understood. Here, we report a set migmatites from western Yangtze Block, China. These have similar bulk compositions as forearc sediments. Zircon age distributions Hf–O isotopes indicate that precursors sediments were predominantly derived juvenile arc itself. Using phase equilibria modeling, show experienced high...
Abstract The complexities of convergent margins commonly include the interactions subduction zones, with many geological records “double” subduction. Here, we build two-dimensional numerical models to explore evolution complex systems by systematically testing single and inward-dipping double beneath a continental upper plate impact collision on these systems. When compared models, shows hindered trench migrations larger volumes upwelling mantle enhanced excess sinking slab mass. Double...
<p> Model parameters and methods, Figures S1–S7, Tables S1–S2, Movies S1–S2. </p>
<p> Model parameters and methods, Figures S1–S7, Tables S1–S2, Movies S1–S2. </p>
The author of this paper examines the influence time variation gravitational constant on evolution orbital elements binary stars. theoretical results show that semimajor axis, eccentricity and mean longitude exhibit periodic, secular mixed periodic variation, but periastron exists in not variation. inclination ascending node no In addition, limits orbit six stars due to are estimated. numerical given. discussed conclusions drawn.
The post-Newtonian effects of the rotation central body on variation celestial orbital elements are studied according to metric theory. caused by in three gravitational theories Einstein, Brans-Dicke and Nordtvedt is obtained using method general perturbation. resulting periodic inclination, eccentricity mean anomaly; secular longitudes periastron ascending node epoch, but semimajor axis remains unperturbed (no variation). In addition, theoretical results applied calculation effect sun...
Abstract In subduction zones, materials on Earth’s surface can be transported to the deep crust or mantle, but exact mechanisms and nature of recycled are not fully understood. Here, we report a set migmatites from western Yangtze Block, China. These have similar bulk compositions as forearc sediments. Zircon age distribution Hf–O isotopes indicate that precursors sediments were predominantly derived juvenile arc itself. Using phase equilibria modelling, show experienced high...
In this paper the effect of gravitational radiation damping on variation orbital elements binary system is studied using method perturbation. This results in both secular and periodic semimajor axis eccentricity, however, longitude periastron exhibits no variation, but only addition, deduced expression applied to calculate terms system, Y cyg, PSR 1913 + 16 2303 24, obtained are discussed compared with relativistic effects.