Translation and rotation of small crustal blocks in the southernmost Atlantic-Weddell Sea region prior to seafloor spreading: in search of a mechanism

Ian W D Dalziel1, Ian O Norton2, Lawrence A Lawver3, Luc Lavier1, Joshua Kane Davis4 and Lisa Gahagan5, (1)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (2)University of Texas, Austin, TX, United States, (3)The University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (4)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (5)Univ Texas - Inst Geophys, Austin, TX, United States