Issue 2(42), 2016

DOI: dx.doi.org/10.21440/2307-2091-2016-2-13-18

Stratigraphy and lithology of the Cretaceous-Paleogene sea sands of Transurals pdf

E. E. Slobodchikova

The article describes the outputs of the Cretaceous-Paleogene deposits of the western part of the Transurals within the Northern, Middle and Southern Urals. Author gives the characteristics of the stratigraphic position and lithological composition of sea sand deposits and paleogeographic conditions of their formation. Available for monitoring and developing marine sands are located in rivers Sosva (Krasnoturinsk area) Tagil (Verkhnesaldinsk area), Neiva (near the Upper Sinyachikha village and surroundings of town Alapaevsk), Pyshma (Troitsko-Baynovsk area), Iset (Kamensk-Ural’sk, Sinarsk, Techa and Miass area), and Tobol (Aiat area). Sections, which include marine sands, are disclosed in many places in the slopes of the river valleys and deposits. Most northern manifestations of quartz sand are located in the Basin of Tagil River. Here is the location of deposits Osinovskoye and Basyanovskoe on Tagil River, and Mugayskoe, Mysovskoye and Putichnoe (worked out) on Mugai River. Within the Kamensk-Ural area, sea sand outputs are located in the northwestern outskirts of the Kamensk-Ural town, where molding quartz sands are situated on Kamensk and Pozorihinsk deposits. And on the south-eastern edge (Volkovo village) and 10 km south-east of the city in the slopes of the valley of the Iset River and valley of Kolchedanka stream are building sands at the Kremlin and Kolchedan deposits. This article describes the sands of the inhomogeneous composition by the size of sand particles that make up the Kamyshlov Formation. Author emphasizes that the accumulation of clastic rocks in the conditions of cold sea contributed to the formation in the northern part of the strip of rocks of significant quartz composition, and after connecting the cold northern waters through the Turgai Straits. The warm waters of the southern seas contributed to the accumulation of clastic rocks with significant carbonate impurities. The purpose of this research is determination of the most productive layers of sand, suitable for industrial use.

Keywords: deposits sands; marine; paleogene; origin; formation; section.

 

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