Newsletter |
43,1 |
Location |
Grosvenor Mountains |
Field Number |
25509 |
Dimensions (cm) |
5.0 x 3.5 x 1.1 |
Weight (g) |
65.77 |
Original Classification |
L3.4 Chondrite |
Pairing |
GRO 17026;
GRO 17167;
GRO 17177;
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Fayalite (mol%): 5-36;Ferrosilite (mol%): 3-17 |
B/Ce |
A |
The pitted exterior of this meteorite has black/brown fusion crust with visible inclusion/chondrules; the interior has a dark gray to black matrix with abundant light and weathered inclusions/chondrules; oxidation is scattered throughout and metal is visible.
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The section exhibits numerous well-defined chondrules (up to 1.5 mm) in a black matrix of fine-grained silicates, metal and troilite. Weak shock effects are present. Polysynthetically twinned pyroxene is abundant. The meteorite is moderately weathered. Silicates are unequilibrated; olivines range from Fa6-23, with most grains Fa22, and pyroxenes from Fs3-24. The meteorite is an L3 chondrite (estimated subtype 3.8). |