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A fluctuating solution to the dolomite problem - Science

2023.11.23  A precipitate of disordered calcium-magnesium carbonate (a proto-dolomite) will reorganize into ordered dolomite by ripening. Ripening, or maturation, is a very slow process that can last millions of years at constant ambient temperature, but fluctuations in

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The Dolomite Problem: A Matter of Time - ACS Publications

2022.6.3  Why is the mineral dolomite, CaMg (CO3)2, abundant in ancient sedimentary rocks but scarce in modern rock-forming environments? What are the natural processes that

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Preparation and Mechanism of Calcium Carbonate Whiskers from

2024.2.14  The preparation of calcium carbonate whiskers by gas-liquid contact method using low-grade dolomite refining solution and CO 2 as raw materials has attracted

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Dolomitization - Wikipedia

Dolomitization is a geological process by which the carbonate mineral dolomite is formed when magnesium ions replace calcium ions in another carbonate mineral, calcite. It is common for this mineral alteration into dolomite to take place due to evaporation of water in the sabkha area. Dolomitization involves substantial amount of recrystallization. This process is described by the stoichiometric equation

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Dolomite and Dolomitization - Springer

2018.1.1  Dolomite is a trigonal–rhombohedral, ordered Ca, Mg carbonate mineral (CaMg (CO 3) 2) occurring primarily in sedimentary and metamorphic rocks. Dolomitization is the

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Controls of temperature, alkalinity and calcium carbonate reactant

2019.12.20  In the present study, dolomite was synthesized in batch reactors at temperatures of 150 °C, 180 °C and 220 °C by reacting calcite or aragonite with an artificial

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Surfactant assisted synthesis of precipitated calcium carbonate ...

2020.1.1  In this study, an effective sucrose solution based method was employed for the extraction of calcium from dolomite to synthesize precipitated calcium carbonate

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Flow, dissolution, and precipitation in dolomite

Evamy [1967] described dedolomit-ization as a one-step process in which dolomite is replaced by the formation of calcite. In contrast, Kenny [1992] considers dedolomitization as a two-step

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Dolomitization Carbonate, Sedimentary, Diagenesis Britannica

Dolomitization, process by which limestone is altered into dolomite; when limestone comes into contact with magnesium-rich water, the mineral dolomite, calcium and magnesium carbonate,

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(PDF) Production of precipitated calcium carbonate

2017.1.1  The aim of this study was to produce the precipitated calcium carbonate (PCC) with different morphologies from dolomite ore (CaMg (CO3)2) by means of leaching and carbonation method.

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