An alluvial deposit that contains particles of some valuable mineral

Usage examples of placer.

Now everything was overgrown with brush, and the stream ran clear and clean, undarkened by placer tailings.

Then he recalled that on that memorable night of the Potlatch dance the White Chief had admitted there was gold, but while the tides occasionally uncovered pay-sand rich beyond most placers, there would follow months when not a single color showed up in the sands of Kon Klayu.

No signs of mining, no arrastra, no rusted picks or shovels, no evidence of placer mining.

The diamonds in that tin box came from a placer mine with a high percentage of gem-quality stones.

The gold is not evenly distributed through the surface dirt, as in ordinary placer mines, but is collected in little spots, and they are very wide apart and exceedingly hard to find, but when you do find one you reap a rich and sudden harvest.

A small placer mine some thirty miles away made a limited amount of bog ore available.

Veins of gold like that are the original source of all the big nuggets that end up in placer pockets when the mother lodes are finally eroded away and washed by rain down into streams.

A placer miner down the wash reported values of thirty to thirty-five cents to the pan.

For a while he gave up placer mining and devoted his entire attention to the stream banks, praying that he might find the vein which had produced this splendid gold, but it eluded him.

There were no hydraulic nozzles or sluicing work to indicate placer mining.

Back around 1860 a man named Abe Lee had done some placer mining in California Gulch.

This limited use of the thing to the summer season, when the water needed for placer mining the platinum would not freeze too quickly after the apparatus was shut off to permit workmen to return.

There was placer mining, which involved leveling fair-sized mountains with streams of high-pressure water.

He had found one of the richest placers in Colorado history, and he kept that, fact to himself, panning the gravel and secreting the nuggets, because in California he had learned that when a man found a placer, the trick was to locate the vein which threw off the nuggets, for the nuggets were valuable today, but the vein existed forever.

Louis, Pittsburgh and Boston that Spade Larkin had struck one of the richest of all placers in Blue Valley, a prodigious horde of gold-seekers poured into the west, eager to accomplish there what they had been too late to accomplish in California, and most of them used the South Platte route, which took them past Zendt’s Farm, where they spent the last money they had on food and equipment.