In this paper such minerals as apatite, zircon and biotite from granites were determined and analyzed bysecondary ion mass spectrometry (SIMS) for their isotopic ages, REE composition, trace elements and volatilecompo...In this paper such minerals as apatite, zircon and biotite from granites were determined and analyzed bysecondary ion mass spectrometry (SIMS) for their isotopic ages, REE composition, trace elements and volatilecomponents with an attempt to shed light on the origin and formation environments of the Jinningian granitesin the Yunnan sector of the Kangdian (Xikang- Yunnan) earth's axis. The results show that the apatites,zircons and biotites of different geneses possess different fingerprint characteristics. Some correlations havebeen found between trace elements and volatile components contained in the minerals from granties.展开更多
The impacts of global warming will be felt most strongly at regional scales. However, great uncertainties exist in climate change projections at these scales, limiting our ability to provide useful information for the...The impacts of global warming will be felt most strongly at regional scales. However, great uncertainties exist in climate change projections at these scales, limiting our ability to provide useful information for the planning and implementation of appropriate adaptation measures. Thus, there is an urgent need to reduce these uncertainties.展开更多
文摘In this paper such minerals as apatite, zircon and biotite from granites were determined and analyzed bysecondary ion mass spectrometry (SIMS) for their isotopic ages, REE composition, trace elements and volatilecomponents with an attempt to shed light on the origin and formation environments of the Jinningian granitesin the Yunnan sector of the Kangdian (Xikang- Yunnan) earth's axis. The results show that the apatites,zircons and biotites of different geneses possess different fingerprint characteristics. Some correlations havebeen found between trace elements and volatile components contained in the minerals from granties.
文摘The impacts of global warming will be felt most strongly at regional scales. However, great uncertainties exist in climate change projections at these scales, limiting our ability to provide useful information for the planning and implementation of appropriate adaptation measures. Thus, there is an urgent need to reduce these uncertainties.
