Impact Melt Breccia
Item: 18.1 Dimensions: 113 x 71 x 5 mm Weight: 117 g
This is one of the few meteorites where the exterior is similar in appearance to the interior.
Partial/complete: Partial slice
Cube: ~15mm x 15mm x 15mm ≈ 15mm3

Bison

Country: USA
Region: Kansas
Found: 1958
Group: Stone
Type: Ordinary Chondrite
Class: LL6
Total known weight: 11kg

A mass of about 3kg was found about 6.8 km NE of Bison, olivine Fa31.9, Met. Bull. 62, Meteoritics, 1984, 19, p.50. Another piece of 8kg was found in 1958. A heavily shocked breccia, olivine Fa31.9, A.L.Graham et al., Cat. Met., 1985, p.73. Classification and mineral analysis, an impact-melt breccia, consisting of unmolten clasts and accessory melt-breccia clasts in a darkend matrix, B.Dominik and F.Bussy, Meteoritics, 1994, 29, p.235.