Gao-Guenie (B) CR Carbonaceous Chondrite Meteorites for Sale

Location: Gao-Guenie Strewn Field, 11º39'N 2º11'W

Find: 2002, August 15

Type: Stone, Carbonaceous Chondrite CR

Description from Meteoritical Bulletin 88 (2004): Two stony fragments of 314.5 and 29.5g, fitting together were recognised by E. Twelker while examining a parcel of meteorites purchased from Burkina-Faso which, according to the vendor, were found in the Gao-Guenie strewn-field. Mineralogy and classification (A.N. Krot, UH): Abundant large, metal-rich porphyritic olivine, olivine-pyroxene and pyroxene type I chondrules (Fa3.1±1.7, N=20; Fs2.7±1.3, n=18); many chondrules are layered and surrounded by silica-rich igneous rims (Krot et al., 2003). Type II chondrules and chondrules of non-porphyritic textures are rare. Anorthite-rich chondrules (Krot and Keil, 2002) are rather common. Refractory inclusions are rare and include amoeboid olivine aggregates (Fa0.6±0.6, n=36), and melilite-rich CAIs; Melilite is commonly replaced by anorthite. Neither chondrules nor refractory inclusions show evidence for alteration. the observed characteristics of the meteorite suggest that it is a CR chondrite. Shock stage is S1.

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# GAB23-4	# GAB29-3	ABOUT SCALE Each photo has a small cube one centimeter on a side. The photo above gives you an idea how big it is. The ruler is in inches at the top. The coin is a US dime. If you are interested in a specimen, I will be happy to send you the dimensions or a photo with different scale.
Weight: 23.4 gm	Weight: 29.3 gm
Features: Slice	Features: Fragment, 55% crust
sold	sold

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