Sentence Examples

  • Copper is known to exist in all the states, and has been mined extensively in South Australia, New South Wales, Queensland and.
  • Silver is not mined by itself, but is found in combination with gold.
  • They are important ores of silver (the pure chloride contains 75.3% of silver), and have been extensively mined at several places in Chile, also in Mexico, and at Broken Hill in New South Wales.
  • When these first four galleries were full others were mined on the same level at right angles to them, thus gradually converting the whole area into a net-work of corridors.
  • The iron ores mined at Daiquiri near Santiago are mainly rich hematites running above 60% of iron, with very little sulphur or phosphorus admixture.

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