First Occurrences of Terrigenic Gold and Platinum in the Miocene Sediments of the Eastern Caucasus, Dagestan

摘要

There are no magmatic formations in the Eastern Caucasus that could be sources of primary ore or placer occurrences of gold and platinum. That is why geological works for these metals are practically absent. Gold and silver were determined as a by-product during geological exploration works at the pyritic and quartz-sul-fide vein ores as well as during geological surveying (Sevkavgeologiya). Occurrences of the enriched concentrations of Au, Pt, and Pd in the Miocene sandy-argillaceous sediments located in the amagmatic territory at the conjugation between the northern slope of the Eastern Caucasus orogene and Tersk-Kaspian fore-deep were not predicted.