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Highlights

Intralithospheric mantle structures recorded continental subduction[03 30, 2012]

Professor ZHENG Tianyu and her team investigate the intralithospheric mantle (ILM) structures beneath the North China Craton (NCC) by the seismic imaging with over 16,000 high-quality receiver functions from 255 broadband stations. These images ar...

Stepwise expansions of C4 biomass and enhanced seasonal precipitation and regional aridity during the Quaternary ...[03 29, 2012]

Professor SUN Jimin and his team present high-resolution carbon isotope time series of both organic matter and bulk carbonates, covering the past 2.58 Ma, derived from the loessesoil successions on the southern Chinese Loess Plateau.
  They conc...

Mapping deeply-buried geothermal faults using microtremor array analysis[03 28, 2012]

Vice Professor XU Peifen and her collaborators map deeply-buried subtle faults using the spatial autocorrelation microtremor array analysis.
  They identify a low-velocity anomaly which is approximately 50 m wide at about 550–1400 m deep. A wel...

Precise micrometre-sized Pb-Pb and U-Pb dating with NanoSIMS[03 20, 2012]

Vice Professor YANG Wei and his team report a new method of Pb-Pb dating for zircon and baddeleyite with a lateral resolution of <2μm and U-Pb dating for zircon with a lateral resolution of <5μm using CAMECA NanoSIMS 50L. The O-primary beam was ...

Newly Isolated but Uncultivated Magnetotactic Bacterium of the Phylum Nitrospirae from Beijing, China[03 12, 2012]

Ph.D. LIN Wei and his teacher PAN Yongxin newly find a watermelon-shaped magnetotactic bacterium (designated MWB-1) from Lake Beihai in Beijing, China.
  Considering its population densities in sediment and its high numbers of magnetosomes, MWB-...

Simulated equinoctial asymmetry of the ionospheric vertical plasma drifts[03 01, 2012]

Vice Professor REN Zhipeng and his teacher WAN Weixing simulate the influence of the lower thermospheric tidal winds below 105 km on asymmetry in the ionospheric vertical plasma drifts (V⊥) and examine the influences of different tide components....

Environmental factors affect magnetite magnetosome synthesis[02 17, 2012]

It is widely believed that magnetotactic bacteria (MTB) form membrane-enveloped magnetite crystals (magnetosomes) under strict genetic control.
  Postdoctor LI JInhua and his teacher PAN Yongxin find that the Magnetospirillum magneticum strain A...

A biogeographic distribution of magnetotactic bacteria influenced by salinity[02 10, 2012]

Ph.D. LIN Wei and his teacher PAN Yongxin analyze the magnetotactic bacteria (MTB) communities from different ecosystems across northern and southern China, including four freshwater lakes, two mangrove swamps, two estuaries and one intertidal zon...

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