Synonymer & Anagram | Engelska ordet PLACER

Exempel på hur man kan använda PLACER i en mening

• The word paracel is of Portuguese origin, meaning placer (a submerged bank or reef), and appears on 16th-century Portuguese maps.
• Charles Baker's group of prospectors found traces of placer gold in the San Juan Mountains in 1860 at Eureka, Colorado.
• Although plenty of placer gold was found there, gold-bearing quartz deposits were discovered in 1851, and mining those deposits for gold became the mainstay of the local economy for many years.
• During the Gold Rush, 49ers found gold to the north on Rock, Middle and Salt creeks, near Shasta, California, and to the south along Oregon and Olney creeks but the area that is now Redding was poor placer gold ground and called Poverty Flats.
• Mining in Placerville began with placer workings for gold, but miners soon turned to quartz mining as well.
• Also during that decade placer gold finds were made near present-day Gold Creek, first in 1852 by Francois (Bennetsee) Findley, followed in 1856 by Hereford, Saunders, Madison et al.
• The 1852 stranding of the schooner Captain Lincoln on the North Spit and the survivors' encampment and rescue brought attention to gold prospectors who came to mine placer from area beaches.
• The community was originally named Ellensburg in the 1850s, but later took the name Gold Beach after a beach near the mouth of the Rogue River where hundreds of placer mines extracted gold.
• Prairie City, at the mouth of the creek, was chosen after placer mining rendered Dixie unsuitable for a townsite.
• Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers.
• Placer deposits can be as young as a few years old, such as the Canadian Queen Charlotte beach gold placer deposits, or billions of years old like the Elliot Lake uranium paleoplacer within the Huronian Supergroup in Canada.
• Several gemstones, such as garnet, topaz, ruby, sapphire, and diamond are found in placers and in the course of placer mining, and sands of these gems are found in black sands and concentrates.
• In the placer mining of gold or tin, the resulting water-sediment slurry is directed through sluice boxes to remove the gold.
• In the first week of July 1857, Green Russell and Sam Bates found a small placer deposit near the mouth of Little Dry Creek (in present-day Englewood) that yielded about 20 troy ounces (622 grams) of gold, the first significant gold discovery in the Rocky Mountain region.
• Nuggets are recovered by placer mining, but they are also found in residual deposits where the gold-bearing veins or lodes are weathered.

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