Some Settings and Mechanisms of the Reef Dolomitization

IF 0.7 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
V. G. Kuznetsov
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引用次数: 0

Abstract

Secondary dolomitization of reef formations is a fairly common phenomenon. Regardless of reef formation in the arid or humid climate, both isolated reefs and reefs of asymmetric reef systems are affected by this process. The article discusses the sources of Mg and methods of its input into reefs, as well as conditions of these processes and the removal of soluble reaction products. This element can be sourced both from relatively deep-water depression-filling sediments (synchronous to the reef) and from clay or salt rocks in the reef topography infill. The possibility of free filtration and removal of the dissolved reaction products is mandatory for this process. If the latter condition is absent, reefs retain their primary calcareous composition.

Abstract Image

礁岩白云化的一些环境和机制
次生白云化是一种相当普遍的现象。无论在干旱或湿润气候下的礁体形成,孤立礁体和非对称礁体系统的礁体都受到这一过程的影响。本文讨论了镁的来源、进入礁体的方法,以及这些过程的条件和可溶反应产物的去除。这种元素既可以来源于相对较深的洼地填充沉积物(与礁同步),也可以来源于礁地形填充物中的粘土或盐岩。自由过滤和去除溶解反应产物的可能性是这个过程的必要条件。如果没有后一种条件,珊瑚礁就会保留其原始的钙质成分。
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来源期刊
Lithology and Mineral Resources
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
29
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.
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