Noble gas composition in Ogi and Siena meteorites |
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| Authors: | J T Padia C M Nautiyal M N Rao T R Venkatesan |
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| Affiliation: | 1. Physical Research Laboratory, 380 009, Ahmedabad, India
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| Abstract: | The elemental and isotopic composition of noble gases in two chondritic meteorites which belong to documented “falls” is reported. Ogi, which belongs to the group of H-chondrites, fell in Saga, Kyushu (Japan) at 11am on 8 June 1741 and Siena which belongs to the group of LL-chondrites, fell in Tuscany (Italy) at 7pm on 16 June 1794. The recovered mass of Ogi and Siena were 14·2 and 4 kg respectively. Their exposure ages are 13±2 m.y. and 13±3 m.y. respectively. |
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