Evidence for continental crustal assimilation in the hemlock formation flood basalts of the Early Proterozoic Penokean orogen, Lake Superior region /
Beck, J. Warren.
Murthy, V. Rama.
Washington, D.C. : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
1991.
Includes bibliographical references (p. 19-25).
Rock deformation
Geology, Stratigraphic
Basalt
Geology, Structural