DENMAN-002 - A NEW CV3 CHONDRITE FROM SOUTH-AUSTRALIA

被引:1
|
作者
DOMINIK, B [1 ]
BUSSY, F [1 ]
机构
[1] UNIV LAUSANNE,INST MINERAL & PETROG,CH-1015 LAUSANNE,SWITZERLAND
来源
METEORITICS | 1994年 / 29卷 / 03期
关键词
D O I
10.1111/j.1945-5100.1994.tb00605.x
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
Denman 002 is a new Australian carbonaceous chondrite. A single stone of 30 g was recovered in 1991 May near Fisher Station on the Trans Australian Railway, Nullarbor Plain, South Australia (30-degrees-36'S, 130-degrees-04'E). Texture, mineral and chemical composition indicate that it is a CV3 chondrite of oxidised subgroup with several similarities to Allende. It is composed of sharply defined chondrules, Ca-Al rich inclusions up to 3.5 mm across, olivine aggregates and fine-grained, nearly opaque matrix (40 vol%). Silicates are compositionally highly heterogeneous (olivine Fa: 0.2-45.6 mol%, PMD: 109.7). Denman 002 shows shock effects of stage S1 and weathering of category A
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页码:409 / 410
页数:2
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