What does the word placer mean?

Usage examples for placer

  1. For him the fertile wheat and fruit- lands of California's smiling valleys, the dull placer gold in her foot- hill streams, and the free grass, knee deep, on her cattle and sheep- ranges held no lure; for he had been first among the Humboldt redwoods and had come under the spell of the vastness and antiquity, the majesty and promise of these epics of a planet. – The Valley of the Giants by Peter B. Kyne
  2. " Placer mines originate in the disintegration of gold- bearing quartz veins, or mass like that at Juneau. – All about the Klondyke gold mines by J. Armoy Knox J. G. Pratt
  3. At Sacramento it was already summer; the yellow river was flashing and intolerable; the tule and marsh grasses were lush and long; the bloom of cottonwood and sycamore whitened the outskirts of the city, and as Cyrus Hopkins and his daughter Phoebe looked from the veranda of the Placer Hotel, accustomed as they were to the cool trade winds of the coast valleys, they felt homesick from the memory of eastern heats. – Susy, A Story of the Plains by Bret Harte