Other
Scientific paper
Apr 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006acasn..47..153t&link_type=abstract
Acta Astronomica Sinica, vol. 47, no. 2, p. 153-165
Other
Astrochemistry, Meteors, Meteorids, Solar Wind
Scientific paper
Optic characteristics of mineral and constituents of Ningqiang carbon chondrite from unpolarized transmitted light, crossed Nicols and reflected light contain abundant information about dynamic, temperature, pressure and medium in early solar system. In both-side-polished thin sections, melange texture of mineral and constituents suggest the accretion is near source at low mechanical power. Otherwise, irregularly-shaped mineral aggregates and fragments should be broken chondrules, which had formed in X-region of X-wind model and was injected into different position of solar nebular midplane by bipolar jets .In transmitted light, amorphousness inclusions, microcrystal inclusions and gas inclusions was found in Ningqiang meterorite for the first time, which could reveal information about component and thermodynamics in the solar nebula, and shoud be attached importance to. A chondrule in which olivine bars sewed with olivine grains by serrational furrow line was observed,which indicate X-wind model is waiting for being refined by cosmochemistry experiments.
Hsu Wei-Biao
Tan Yin
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