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Magnesite Deposits of Central Ceará, Brazil
From introduction: The purpose of this study was to investigate the quantity and quality of [Central Ceara, Brazil] magnesite, and the writer concludes that this group of deposits constitutes one of the major reserves of high-grade magnesite in the Western Hemisphere. The ore could be used in the production of any commercial grade of magnesia with little or no beneficiation. Soil and alluvial overburden is thin between widespread outcrops, so all the deposits could be mined from open pits.
Date:
1950
Creator:
Bodenlos, Alfred J.
System:
The UNT Digital Library
Volcanoes of the Parícutin Region, Mexico
The following report describes the different volcanoes of the Paricutin Region.
Date:
1950
Creator:
Williams, Howel
System:
The UNT Digital Library
Erosion Studies at Parícutin, State of Michoacán, Mexico
From abstract: Paricutin is 320 kilometers west of Mexico City and is reached by air, rail, or paved highway to Uruapan, Michoacan, and thence by 37 kilometers of paved and dirt road to lava-destroyed San Juan Parangaricutiro, 5 kilometers north of the cone.
Date:
1950
Creator:
Segerstrom, Kenneth
System:
The UNT Digital Library