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0.0.1 Determination of actual time of sedimentation of Cambrian - Ordovician sandstones of North-West Russian platform

Geophysical research abstracts, 2007-01

ISSN: 1029-7006 ;EISSN: 1607-7962

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  • Title:
    0.0.1 Determination of actual time of sedimentation of Cambrian - Ordovician sandstones of North-West Russian platform
  • Author: Lalomov, A ; Berthault, G
  • Is Part Of: Geophysical research abstracts, 2007-01
  • Description: Cambrian - Ordovician sandstones (COS) of St.-Petersburg (SPb) area have regional extension (more than 300 km width) and relatively small thickness (30 - 40 m). The sequence consists of several formations, which usually are divided by erosion surfaces. Conventional stratigraphy based on paleontological method supposes that the Formations were deposited one after another during 25 million years. The sandstones have obvious evidences of deposition in conditions of moderate to intensive hydrodynamic activity with lateral transport of sediments - cross beds, ripple marks and inverted beds. Dividing volume of COS formations by calculated total sediment discharge of paleoflow it is possible to estimate real time of sedimentation of COS.
  • Language: English
  • Identifier: ISSN: 1029-7006
    EISSN: 1607-7962
  • Source: Alma/SFX Local Collection
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