Geological Conditions of Sandy Sarykum Barkhan Formation
and Geochemical Features of Its Carbonate Deposits

V. U. Matsapulin^a, E. V. Tulysheva^a, and M. V. Khlopkova^b

^a Geological Institute, Dagestan Scientific Center, Russian Academy of Sciences,
ul. Yaragskogo 75, Makhachkala, Republic of Dagestan, 367032 Russia

^b Caspian Institute of Biological Resources, Dagestan Scientific Center, Russian Academy of Sciences,
ul. Gadzhieva 45, Makhachkala, Republic of Dagestan, 367025 Russia

e-mail: isakov_156@mail.ru; hlopkovam@mail.ru

Received June 3, 2012

Abstract—Some geological and geomorphological features of the Sarykum dune in relation to the position of
aeolian sand sheets and the Shura-Ozen River Valley, local windrose diagrams, theoccurrence of rock fragments
and carbonate crusts in aeolian sands, and their petrography and geochemistry were studied. Conclusions on
genetic formation of the dune were made.

Keywords: aeolian sands, sandstones, dune, barkhan, carbonate crusts, pseudoconglomerates, pelitomorphic
carbonate, trace elements, and carbon and oxygen isotopes

DOI: 10.1134/S2079096113010113

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