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HAMMOND DOWNS, A NEW CHONDRITE FROM THE TENHAM AREA, QUEENSLAND, AUSTRALIA

 

作者: Brian Mason,  

 

期刊: Meteoritics  (WILEY Available online 1973)
卷期: Volume 8, issue 1  

页码: 1-7

 

ISSN:0026-1114

 

年代: 1973

 

DOI:10.1111/j.1945-5100.1973.tb00452.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

Among a collection of meteorites from the area of the Tenham shower (Queensland, Australia) was a 27 kg stone which proved to be different from the other Tenham stones. It is a bronzite, H4, chondrite, the principal minerals being olivine (average composition Fa18.8), clinobronzite and bronzite (average composition Fs16.4), nickel‐iron, and troilite; it is considerably weathered, much of the nickel‐iron being converted to limonite. It has a highly chondritic structure, with devitrified glass within the chondrules, and without visible plagioclase. This meteorite was found about 1950 near the Hammond Downs station, hence the name; its coordinates are lat 25° 28′ S., long 142

 

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