Gold Placer Deposits Earth Science
A placer deposit is a mass of gravel, sand, or similar material resulting from the crumbling and erosion of solid rock and containing particles or nug gets of gold, tin, platinum, or other valuable min erals that have been derived from rocks or veins. Gold in placer deposits is recovered by panning the gold bearing material, or by using a.Looking For Detachment – March 2008. Geology Ore Deposits of the Great Basin Symposium, Field Trip 2 Guidebook, Skarn Deposits in Nevada. Although most mining at Carlin, itself, didn't begin until 1961, minor discoveries were made there in the 1870's and early 1900's, including discoveries of some small placer deposits.