Sentence Examples


  • The first permanent settlements in Matto Grosso seem to have been made in 1718 and 1719, in the first year at Forquilha and in the second at or near the site of Cuyaba, where rich placer mines had been found.
  • Abandoned placer mines are to be found in every part of the unsettled interior, showing how thoroughly it had been explored by goldhunters in those early days.
  • The term 1 is not limited to underground operations, but includes also surface excavations, as in placer mining and open-air workings of coal and ore deposits by methods similar to quarrying, and boring operations for oil, natural gas or brine.
  • For the special methods by which placer deposits are mined see Gold.
  • The gold is found in placer deposits.

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