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