西高加索上新世矿床的地质背景和侵蚀结构的形成

IF 0.7 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Lithology and Mineral Resources Pub Date : 2024-09-02 DOI:10.1134/S0024490224700676

I. S. Postnikova, I. S. Patina, G. M. Gorkin

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引用次数: 0

摘要

摘要根据地震地层分析，介绍了对西西高加索早中新世沉积进行区域研究的结果。分析了沉积物堆积的空间模式，并完善了西西高加索晚中新世回归阶段的古地理条件。在研究的时间区间内，确定了在大回归过程中基底下降过程中形成的多级侵蚀切口。根据所选择的一系列相交地震剖面的古切口空间相关性，在萨尔马特-中新世边界以及中新世-上新世区间内重建了被掩埋的古顿河和古多涅茨河河谷。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Geological Setting and Formation of the Erosional Structure of Upper Miocene Deposits in Western Ciscaucasia

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Geological Setting and Formation of the Erosional Structure of Upper Miocene Deposits in Western Ciscaucasia

The results of regional studies of Early Miocene deposits in Western Ciscaucasia, based on the seismic stratigraphic analysis, are presented. The spatial pattern of sediment accumulation is analyzed and the paleogeographic conditions during the Late Miocene regressive stages in Western Ciscaucasia are refined. Erosional incisions of several levels, developed during the base-level fall in the course of major regressions in the studied time interval, were identified. Based on the spatial correlation of paleoincisions using a chosen series of intersecting seismic profiles, the buried Paleo-Don and Paleo-Donets river valleys were reconstructed at the Sarmatian‒Meotian boundaries and within the Meotian‒upper Pontian interval.

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来源期刊

Lithology and Mineral Resources 地学-地球化学与地球物理

CiteScore

1.30

自引率

37.50%

发文量

审稿时长

>12 weeks

期刊介绍： Lithology and Mineral Resources is an international peer reviewed journal that publishes articles on a wide range of problems related to the formation of sedimentary rocks and ores. Special attention is given to comparison of ancient sedimentary rock and ore formation with present-day processes. The major part of the journal is devoted to comparative analysis of sedimentary processes on the continents and in oceans, as well as the genetic aspects of the formation of sedimentary and hydrothermal–sedimentary mineral resources. The journal welcomes manuscripts from all countries in the English or Russian language.