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Late Glacial Glaciomarine and Holocene Marine Sediments in the Eastern Part of the Barents Sea: Structure, Composition, Thickness, and Conditions of Formation
Moscow University Geology Bulletin Pub Date : 2022-09-21 , DOI: 10.3103/s0145875222040044
O. G. Epshtein , A. G. Dlugach , A. V. Starovoytov

Abstract

Geological-geophysical data show that the Holocene marine and Late Glacial glaciomarine sediments in the eastern part of the Barents Sea are seismostratigraphic complexes (SSCs), SSCI and SSCII, respectively. SSCII sediments composed of glacial mineral matter were formed during deglaciation of the Barents Sea shelf. The SSCI sediments deposited in the setting of the open sea basin are terrigenous. The structure, composition, and thicknesses of the SSCII sediments are determined by the thawing of degraded glacier masses and by the character of the resulting sedimentation basins, while the same parameters of the SSCI sediments are determined by the hydrodynamics and, partially, by processes of the last glacioeustatic marine transgression.



中文翻译:

巴伦支海东部晚冰期冰海和全新世海洋沉积物:结构、成分、厚度和形成条件

摘要

地质地球物理资料表明,巴伦支海东部全新世海相和晚冰期冰海相沉积物分别为地震地层复合体(SSCs)、SSCI和SSCI。由冰川矿物质组成的 SSCI 沉积物是在巴伦支海陆架消融过程中形成的。沉积在公海盆地环境中的 SSCI 沉积物是陆源的。SSCI 沉积物的结构、组成和厚度取决于退化冰川块的解冻和由此产生的沉积盆地的特征,而 SSCI 沉积物的相同参数则由流体动力学决定,部分由水动力学过程决定。最后一次冰川运动的海侵。

更新日期:2022-09-21
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