Hanson, Richard E.2019-10-112019-10-1120012001https://repository.tcu.edu/handle/116099117/33208xii, 163 leaves : illustrations (some color), mapsFormat: PrintengPaleomagnetism and geochronology of Mesoproterozoic mafic and felsic sills in southeast BotswanaTextMain Stacks: TCU Master Thesis (Regular Loan)Special Collections: TCU Master Thesis (Non-Circulating)