This cumulate gabbroic rock (lherzolite) was found in 1988 in the Lewis Cliffs region of Antarctica. Isotopic techniques have dated it at 166±16 m.y. (Sm-Nd) and 183±10 m.y. (Rb-Sr). It has many similarities with another lherzolitic shergottite - ALHA 77005 and both may have been ejected from…