evidence: Dalziel, I. W. D. & Elliot, D. H. West Antarctica: problem child of Gondwanaland. Tectonics1, 3–19 (1982). [...] Siddoway, C. S. in Antarctica: A Keystone in a Changing World Ch. 9 (eds Cooper, A. K., Raymond, C. & 10th ISAES Editorial Team) 91–114 (The National Academies of Sciences, Engineering, and Medicine, 2008). Illuminates the Mesozoic tectonic evolution of Marie Byrd Land with evidence of the metamorphic conditions, kinematics and rapid development of transcurrent structures responsible for large-scale crustal thinning across the region.