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Presolar silicate grains: Abundances, isotopic and elemental compositions, and the effects of secondary processing
presolar grains silicates nucleosynthesis isotopes AGB stars
2017/4/10
Close to a thousand presolar silicate grains have been identified since their initial discovery in interplanetary dust
particles (IDPs) just over ten years ago. Studies have shown that silicates are ...
Stable isotopes in deep-sea corals and a new mechanism for “vital effects”
Stable isotopes deep-sea corals new mechanism vital effects
2014/4/9
Offsets from isotopic equilibrium in biogenic carbonates have complicated paleoclimate reconstructions for decades. A new archive of climate, deep-sea corals, is used to evaluate the calcification pro...