Charles H Thorman (Former Employee)
Science and Products
Filter Total Items: 26
Reconnaissance geologic study of the Vazante zinc district, Minas Gerais, Brazil Reconnaissance geologic study of the Vazante zinc district, Minas Gerais, Brazil
The Vazante district, Minas Gerais, 130 km south of Paracatu, produces nearly all of Brazil's zinc metal. The district is situated on the western side of the Late Precambrian Bambul basin and along the eastern and leading edge of the north-trending Brazilian orogenic belt (ca. 600-500 m.y. old) that borders the western margin of the basin. Reconnaissance study indicates that bedding and...
Authors
Charles H. Thorman, Samir Nahass
Geologic map of the Monrovia Quadrangle, Liberia Geologic map of the Monrovia Quadrangle, Liberia
As part of a program undertaken cooperatively by the Liberian Geological Survey and the U. S. Geological Survey, under the sponsorship of the Government of Liberia and the Agency for International Development, U. S. Department of State, Liberia was mapped by geologic and geophysical methods during the period 1965 to 1972.- The resulting geologic and geophysical maps are published in ten...
Authors
Charles H. Thorman
Science and Products
Filter Total Items: 26
Reconnaissance geologic study of the Vazante zinc district, Minas Gerais, Brazil Reconnaissance geologic study of the Vazante zinc district, Minas Gerais, Brazil
The Vazante district, Minas Gerais, 130 km south of Paracatu, produces nearly all of Brazil's zinc metal. The district is situated on the western side of the Late Precambrian Bambul basin and along the eastern and leading edge of the north-trending Brazilian orogenic belt (ca. 600-500 m.y. old) that borders the western margin of the basin. Reconnaissance study indicates that bedding and...
Authors
Charles H. Thorman, Samir Nahass
Geologic map of the Monrovia Quadrangle, Liberia Geologic map of the Monrovia Quadrangle, Liberia
As part of a program undertaken cooperatively by the Liberian Geological Survey and the U. S. Geological Survey, under the sponsorship of the Government of Liberia and the Agency for International Development, U. S. Department of State, Liberia was mapped by geologic and geophysical methods during the period 1965 to 1972.- The resulting geologic and geophysical maps are published in ten...
Authors
Charles H. Thorman