Definitions for "Placer"
A deposit of earth, sand, or gravel, containing valuable mineral in particles, especially by the side of a river, or in the bed of a mountain torrent.
A mineral deposit that has achieved its present distribution through the prior action of moving water or wind. Placers are usually in poorly consolidated materials and are the sources of much, but not all, tin, titanium, rare earths, diamonds, and zirconium, and some gold.
clastic sedimentary deposit of a valuable mineral or native metal in unusually high concentration, usually segregated because of its greater density.
a versatile utility for image processing
Keywords:  sets, one
One who places or sets.