Up to now, approximately 294 minerals species have been identified in meteorites. A.E.Rubin made a summary on mineralogy of meteorite groups. Based on Rubin’s data, we listed the English names, Chinese names and form...Up to now, approximately 294 minerals species have been identified in meteorites. A.E.Rubin made a summary on mineralogy of meteorite groups. Based on Rubin’s data, we listed the English names, Chinese names and formulas of all meteoritic minerals in the table 1 of this paper. In addition, the chemical compositions of silicates, metals and oxides in ordinary chondrites, the minerals in refractory inclusions, rims and fremdlinge of chondrites, the presolar minerals, the minerals formed by transformations during shock metamorphism, and the minerals formed by terrestrial weathering of primary meteoritic minerals were listed respectively in other five tables of this paper. These data are useful to learn mineralogy of meteorites and origin of meteoritic minerals.展开更多
The Xi Ujumqin meteorite fell in Aug. 1980 at Xi Ujumqin County, Nei Monggol, China.This chondrite can be classified as L6 type based on the bulk chemical analysis (6wt% metal iron, 24% total iron, olivine Fa-26) and ...The Xi Ujumqin meteorite fell in Aug. 1980 at Xi Ujumqin County, Nei Monggol, China.This chondrite can be classified as L6 type based on the bulk chemical analysis (6wt% metal iron, 24% total iron, olivine Fa-26) and the textural feature of complete intergrowth of the chondrules with the matrix, The Mianchi meteorite is a type Hs chondrite that fell in Sep, 1980 at Mianchi County,Henan, China. Apart from porphyritic, barred, radial, cryptocrystanine chondrules, many intermediate-type or mixed-type chondrules are observed in the Mianchi meteorite under the microscope. It is suggested that the origin of chondrules showing different textures depend on the primeval compositions and cooling rates,展开更多
文摘Up to now, approximately 294 minerals species have been identified in meteorites. A.E.Rubin made a summary on mineralogy of meteorite groups. Based on Rubin’s data, we listed the English names, Chinese names and formulas of all meteoritic minerals in the table 1 of this paper. In addition, the chemical compositions of silicates, metals and oxides in ordinary chondrites, the minerals in refractory inclusions, rims and fremdlinge of chondrites, the presolar minerals, the minerals formed by transformations during shock metamorphism, and the minerals formed by terrestrial weathering of primary meteoritic minerals were listed respectively in other five tables of this paper. These data are useful to learn mineralogy of meteorites and origin of meteoritic minerals.
文摘The Xi Ujumqin meteorite fell in Aug. 1980 at Xi Ujumqin County, Nei Monggol, China.This chondrite can be classified as L6 type based on the bulk chemical analysis (6wt% metal iron, 24% total iron, olivine Fa-26) and the textural feature of complete intergrowth of the chondrules with the matrix, The Mianchi meteorite is a type Hs chondrite that fell in Sep, 1980 at Mianchi County,Henan, China. Apart from porphyritic, barred, radial, cryptocrystanine chondrules, many intermediate-type or mixed-type chondrules are observed in the Mianchi meteorite under the microscope. It is suggested that the origin of chondrules showing different textures depend on the primeval compositions and cooling rates,