Reconstruction of Paleolithodynamic Formation Conditions of Cambrian–Ordovician Sandstones in the Northwestern Russian Platform

G. Berthault (a), A. V. Lalomov (b), and M. A. Tugarova (c)

(a) 28 boulevard Thiers, 78250 Meulan, France;
(b) Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, Staromonetnyi per. 35, Moscow, 119017 Russia;
(c) St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 198904 Russia.

ISSN 00244902, Lithology and Mineral Resources, 2011, Vol. 46, No. 1, pp. 60–70. © Pleiades Publishing, Inc., 2011.

Original Russian Text © G. Berthault, A.V. Lalomov, M.A. Tugarova, 2011, published in Litologiya i Poleznye Iskopaemye, 2011, No. 1, pp. 67–79.

Received September 16, 2009


Abstract—Analysis of the paleohydrodynamic characteristics of sedimentation environments allowed us to reconstruct formation conditions of the Cambrian–Ordovician sandstone sequence (COS) in the Leningrad district. Reconstruction of the paleolithodynamic parameters showed that the real timing of the sequence (sedimentation duration) is considerably less than the related stratigraphic scale interval. Such a situation is also encountered in other sedimentary formations. Determination of the real sedimentation rate can affect the assessment of mineral resources in a sedimentation basin.


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