http://www.psrd.hawaii.edu/June10/pallasites-origin.html

Formation of Stony-Iron Meteorites in Early Formation of Stony-Iron Meteorites in Early Giant ImpactsGiant Impacts

Pallasites were originally thought to have formed at the boundary between an olivine-rich mantle and molten metallic core of an asteroid.

http://www.psrd.hawaii.edu/June10/pallasites-origin.html

Formation of Stony-Iron Meteorites in Early Formation of Stony-Iron Meteorites in Early Giant ImpactsGiant Impacts

Rounding of angular olivines at high temperatures

http://www.psrd.hawaii.edu/June10/pallasites-origin.html

Formation of Stony-Iron Meteorites in Early Formation of Stony-Iron Meteorites in Early Giant ImpactsGiant Impacts

Cooling rates determined from compositional zoning in metal phases

http://www.psrd.hawaii.edu/June10/pallasites-origin.html

Formation of Stony-Iron Meteorites in Early Formation of Stony-Iron Meteorites in Early Giant ImpactsGiant Impacts