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Metamorphic rocks of the Quadrilátero Ferrífero, Minas Gerais, Brazil
Departamento Nacional da Produção Mineral.
1 online resource (v, C81 pages) : illustrations, map + 1 plate.
by Norman Herz; prepared in cooperation with the Departamento Nacional da Produção Mineral of Brazil under the auspices of the Agency for International Development of the United States Department of State.
Title from title screen (viewed October 2, 2014).
"Regional geology of the Quadrilátero Ferrífero, Minas Gerais, Brazil."
"A study of the metamorphic events that have affected the Precambrian igneous and metasedimentary rocks of the Brazilian shield."
Includes bibliographical references (pages C75-C78) and index.
Geological Survey professional paper ; 641-C