Abstract

Confined to variegated carbonate-terrigenous formations, sedimentary copper deposits are subdivided into shallow-marine (Mansfeld), lagoon-deltaic (Dzhezkazgan, Udokan) and lacustrine-alluvial (Priuralye, the Colorado Plateau). Enclosed in grey carbonate formations, sedimentary lead-zinc deposits are confined to shallow-marine carbonate sediments (Mirgalimsay) and coastal-marine terrigenous — carbonate deposits (Sumsar, Uch-Kulach). The transgressive or regressive development of the paleobasin determines one or other type of the age migration of ore-bearing deposits and zoning of mineralization. The confinement of sedimentary copper and lead-zinc deposits to marginal parts of platforms, avlakogens, foredeeps and miogeosynclines is characteristic.

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