Abstract
The results of sedimentologic, petrographic, geochemical, and isotopic (δ13C, δ18O) analyses of Carboniferous carbonate rocks of the Alyarmaut uplift are presented. Three types of Tournaisian-Visean terrigenous-carbonate rocks are distinguished: 1) dark gray carbonate shales with a high content of REE and organic matter; 2) light gray marmorized limestones; and 3) white thick flaggy limestones. The content of REE and organic matter gradually decreases upward in the section – from the first to the third type. All three types of terrigenous-carbonate rocks were mainly derived from the felsic source rocks with subordinate mafic-ultramafic rocks, and deposited on an open carbonate platform.
Published Version
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