Oltintopgan

Oltintopgan, koni madani polimetalliest, ki dar shimoli Respublikai Sovetii Sotsialistii Tojikiston, dar janubi garbi qatorkuhi Qurama voqe gashtaast. Maydoni kon dar zonai vayronahoi tektonikii bayni granitoidhoi sinnashon paleozoi bolo va jinshoi karbonatii davrahoi devoni bolo — karboni poyon joytir shudaast.

Dar in zona jinshoi magmavi (granodiorit-porfir, granit-porfir, porfirithoi diabazi) dar shakli shtok va dayka farovonand. Dar kontakti (joi bahamrasii) ana hamin jinshoi magmaviyu qabathoi regsashg, ohaksang va varaksangho jinshoi skarnii madan- dor hosil shudaand, ki tulashon to ba 1 kilometr va gafsiashon to ba dahho metr merasad. Jinshoi skarni az bejodayu piroksen, galenit, sfalerit va digar mineralho tarkib yoftaand.

Hamrohi jinshoi skarni jinshoi tagyiryoftai kvarsu epidotdor, kvarsu epidotu khloritdor va mineralhoi guruhi sulfid duchor meshavand. Sarvathoi zerizaminii kon asosan mineralhoi galenit va sfalerit ba shumor meravand, ki az onho surb va ruh girifta meshavad.