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The word Dolomite is mainly used to commemorate a French chemist DOLOMIEU (1750~1843). Dolomite is a trigonal system with a chemical composition of CaMg(CO3)2, which is mainly composed of calcium carbonate and magnesium carbonate (the ratio of CaCO3 to MgCO3 is 1:1). It has a complete solution. And rhombohedral crystal
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2021-8-9 · Dolomite diagenesis is a key issue in the evolution of dolomite reservoirs. Hence, lower Paleozoic carbonate samples from the Bonan Low Uplift are analyzed. Data collected from thin sections, cathodoluminescence, X-ray diffraction, major and trace elements, rare earth elements, isotopes, and other experimental work to determine the types, diagenetic environment, and fluid characteristics of
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A multidisciplinary study, conducted over the carbonate platform deposits of the Liassic Calcari Grigi Group (Southern Alps), highlighted how the use of outcrop analogues can contribute to better def
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摘要： To find out the origin of dolomite, the precipitation of primary dolomite, and the formation of pores in dolomite, petrologic and geochemical characteristics of typical samples from Sichuan and Tarim Basin were analyzed based on the previous understandings, and three aspects of results were achieved.（1） A classification of dolomite origins based on petrologic features, forming
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2021-6-23 · To find out the origin of dolomite, the precipitation of primary dolomite, and the formation of pores in dolomite, petrologic and geochemical characteristics of typical samples from Sichuan and Tarim Basin were analyzed based on the previous understandings, and three aspects of results were achieved
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2016-8-9 · In the research area, the main lithology is lacustrine carbonate; dolomite content accounts for about 36 %. In the main reservoir, the dolomite thickness is thin, and dolomite is interbedded among limestone, mudstone, and siltstone, and widely develops intergranular pores (Fig. 2
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2020-6-1 · In this paper, taking Guanwushan Formation dolomite reservoir of Middle Devonian in Northwest Sichuan Basin as an example, research has been carried out on the characteristics and genetic mechanism of dolomite reservoir by analyzing the petrological and geochemical characteristics from newly collected core data and outcrop information, in order
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1995-2-1 · Systematic analyses of the published record of dolomite reservoirs worldwide reveal that the majority of hydrocarbon-producing dolomite reservoirs occurs in (1) peritidal-dominated carbonate, (2) subtidal carbonate associated with evaporitic tidal flat/lagoon, (3) subtidal carbonate associated with basinal evaporite, and (4) nonevaporitic carbonate sequence associated with topographic
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In the South China Sea, dolomite is not only a kind of oil and gas reservoir, but also the deposits closely related to the genesis of reefal complex. In this paper, mineralogical analysis is made for the 600～750 m interval of core section of the Meishan Formation in the Xisha Islands. The research is focused on a new horizon of middle to deep dolomite, 600～1000 m from the well of Xike 1
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Dolomite, which is named for the French mineralogist Deodat de Dolomieu, is a common sedimentary rock-forming mineral that can be found in massive beds several hundred feet thick.They are found all over the world and are quite common in sedimentary rock sequences. These rocks are called appropriately enough dolomite or dolomitic limestone. Disputes have arisen as to how these dolomite
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Dolomite - Dolomite - Uses: Dolomite is used as a source of magnesium metal and of magnesia (MgO), which is a constituent of refractory bricks. Dolostone is often used instead of limestone as an aggregate for both cement and bitumen mixes and also as
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2019-12-18 · Dolomite countertops are simply high polished slabs cut from the dolomite rock, and as you can see in pictures they look great. So much that they’re very commonly sold as marble or quartzite . Nevertheless, this confusion has to end, since Dolomite is
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2019-7-16 · Methods:The dolomite development in field and petrological characteristics were studied through the outcrop observation, microscope analysis and Cathodo Luminescence observation. The paper combines the in- situ micro- electron probe analysis, isotope geochemistry characterization, petrological characteristics and geological background to trace dolomitization fluids
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