《4、尹庆柱---SIMS and MC-ICP-MS Applications in Isotope Cosmochemistry》.pdf

《4、尹庆柱---SIMS and MC-ICP-MS Applications in Isotope Cosmochemistry》.pdf

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《4、尹庆柱---SIMS and MC-ICP-MS Applications in Isotope Cosmochemistry》.pdf

SIMS and MC-ICP-MS Applications in Isotope Cosmochemistry — with Yin Lab Examples Qing-Zhu Yin Department of Geology University of California-Davis IGG-CAS, Beijing April 5, 2012 Why I love cosmochemistry, Meteorites in particular? Chondrite (CHUR)=Bulk Solar System With chondrite in hand, you hold the entire Solar System Meteorites: Cosmochemical Windows 4567.2 ±0.6Ma Ago Today lots of stars Cartoon Credit: L. Nittler Corundum Silicon carbide Graphite grains Diamond 500nm Silicate grain Spinel grains Burning down the haystack to find the needle!!! 中文贴切翻译:海底捞针 Cosmic Abundance of Elements Solar Abundances = Mix from many Stellar Sources After Woosley (2007) Nature Physics Goldschmidt (1938): his “9th Symphony” s- and r-process: (slow and rapid neutron addition) B2FH (1957) and AGWC (1957)… AGWC Alastair Graham Walter Cameron (1925-2005) one man, same number of initials, single handedly and independently in 1957 Chalk River Report No.41 (unclassified) …At the end, the audience sat in awed silence

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