Microsymposium 34, MS059, 2001 A HIPSOMETRICAL FEATURES OF THE LUNAR SURFACE FROM THE CLEMENTINE MISSION. ... The lack of extensive mare basalt fill in the South Pole ­ Aitken Basin, despite the thin crust in this region, suggests hemispheric compositional asymmetry in the deep lunar interior [1]. ... According to new data, the depths of Mare Imbrium, Mare Frigoris, Mare Fecunditatis, Mare Moscoviense are 0.5 km deeper than previous results indicated. ... 1994) The Clementine Mission to the Moon. ...