The iron ores of Brazil

Abstract

In 1910 he held the XI International Geological Congress in Stockolm, where he was presented the paper "The Iron Ores of Brazil" by Orville A. Derby, Director of the Mineralogical and Geological Survey of Brazil (SGM). This work, the first of its kind, was the home of a sequence of geological studies undertaken by the Geological Survey, then set up in 1906. The author, at first, a retrospective of intense demand of the metallic iron obtained in several forges and the lack of raw materials, citing instances of the same in the colonial and real.