Mathematics – Logic
Scientific paper
Dec 1960
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1960gecoa..21..127d&link_type=abstract
Geochimica et Cosmochimica Acta, Volume 21, Issue 1-2, p. 127-127.
Mathematics
Logic
11
Scientific paper
id="ab1"The Abee meteorite, which fell at 54°13′N, 113°00′W, north of Edmonton, Alberta, on 9 June 1952, is described for the first time in this paper. The surface features and internal structures are those of a black polymict chondritic breccia. Chemical analyses have been made of the matrix and of the stony fragments, and these have been recalculated to give a mineralogical norm which corresponds with mineral identifications by X-ray diffraction. The stone consists mainly of enstatite and kamacitetaenite, with minor troilite, and accessory oldhamite, alabandite, α-cristobalite, and quartz. The metallurgical study of the nickel-iron of the meteorite indicates that relatively coarse grains of a kamacite-cohenite intergrowth resembling pearlite with marginal areas and islands of α-2-iron are the dominant phases present. Taenite is present only as an accessory constituent. The exterior of the fusion crust contains droplets of δ-iron and very fine-grained magnetite whereas the interior of the crust contains martensito grains produced by the heating and quenching of the kamacite.
Dawson K. R.
Maxwell Aaron J.
Parsons D. E.
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