Study on the chemical composition of 9 chondrites in China

Details Study on the chemical composition of 9 chondrites in China Study on the chemical composition of 9 chondrites in China

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982chjss...2..209c&link_type=abstract

Chinese Journal of Space Sciences, vol. 2, July 1982, p. 209-214. In Chinese, with abstract in English.

Computer Science

Chemical Composition, Chondrites, Meteoritic Composition, China, Iron, Mass Ratios, Metal Oxides, Oxidation-Reduction Reactions

Scientific paper

An analytical procedure to determine the proportion of various chemical elements in chondrites has been developed and applied to nine chondrites. Chemical parameters have also been calculated. It is found that the nine chondrites belong to three chemical groups, the H (Lunan, Tuochi, Xinyang), L (Jartai, Xiwu, Rugao, Lishui, Guangrao), and LL (Dongtai). Fe(0) and the ratio FeO/Fe decrease from H to LL, but FeO and FeS increase, meaning that the degree of oxidation increases. The SiO2 content also increases from H to LL while TFe, Ni, and Co decrease. The variation rule can be used as the reference criterion to distinguish the chemical groups of chondrites. The SiO2, MgO, FeO, Fe(0), FeS, and TFe content of chondrites from Rugao determined earlier have been corrected.

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