[meteorite-list] NEW H7 For Sale
From: AstronomicalResearchNetwork <AstronomicalResearchNetwork_at_meteoritecentral.com>
Date: Sun Nov 21 16:05:58 2004 Message-ID: <003101c4d00d$e2149b10$0302a8c0_at_VAIO> At the request of some collectors and the sugestion of Ted Bunch I am happy to say we have a NEW H7 from Morocco NWA 2353 For thoes who would like a slice of this new find the price is $200 per gram and I will cut to your needs . Anyone interested may contact me by email direct. A picture of the specimen is on my web site. http://www.arn-meteorites.com Northwest Africa Purchased 2004 Primitive Achondrite (recrystalled H chondrite) A single, poorly crusted stone of 580 g was purchased in Erfoud, Morocco. Description and classification (T. Bunch and J. Wittke, NAU): completely recrystallized and highly equilibrated H chondrite (H7), no relict chondrules; grain size < 0.5 mm, mean = 0.2 mm; intensely fractured with abundance of subparallel compression fractures. Olivine, Fa 17.9, FeO/MnO = 34; orthopyroxene, Fs15.6Wo3.1, FeO/MnO = 19; plagioclase, An13.1Or2.6; chromite, cr# = 87; FeS, Ni = 1.65 wt %; metal (taenite only), Ni = 21.6 wt %; trace of merrilite. Weathering grade, W3 and lightly shocked (S2). Specimens: type specimen, 20.1 g, NAU; main mass, Regelman. ______________________________________________ The above is a working classification and will be submitted shortly to the Nom Com after receipt of oxygen isotope data. T. E. Bunch Professor of Geology Northern Arizona University Nov. 20, 2004 Received on Sun 21 Nov 2004 04:05:51 PM PST |
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