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PDF | On Jan 1, 1998, W.F. McDonough and others published Mineralogy and composition of the upper mantle | Find, read and cite all the research you need on ResearchGate
The mineralogical and morphological properties of BOF and electric-arc-furnace-ladle [EAF(L)] slag samples generated from two steel plants in Indiana were determined through X-Ray Diffraction (XRD) analyses and Scanning Electron Microscopy (SEM) studies. ... It is important to note that the very complex mineralogical composition of BOF slag ...
Corresponding mineralogical composition. H2O (moisture content) 8: CaCO3: 75: SiO2 (soluble) 11 reactive/combinable: The soluble silica, available to be combined with the CaO produced in the burning of the CaCO3) determines the hydraulicity of the finished products: SiO2 (insoluble)
Diorite is an intriguing igneous rock that holds a significant place in the world of geology, art, and construction. Its unique combination of minerals, textures, and appearances has captivated scientists, artists, and builders for centuries.This introduction will provide an overview of diorite, covering its definition, basic characteristics, composition, and its classification within …
Download Table | Mineralogical composition of clinker from publication: Comparative study of the influence of inorganic additions on the physical-chemical properties and mechanical performance of ...
The average composition is granite, which is much less dense than the mafic igneous rocks of the oceanic crust. Because it is thick and has relatively low density, continental crust rises higher on the mantle than oceanic crust, which sinks into the mantle to form basins. When filled with water, these basins form the planet's oceans.The ...
The selection of the appropriate method depends on the chemical/mineralogical composition of the bauxite, the refining cost, and the associated environmental risks, albeit BP is the most common. Consequently, the RMs produced by different refining methods and by bauxite from different sources have huge differences with respect to their chemical ...
The tensile microcracking behavior of granites, significantly influenced by temperature, is crucial in high temperature geological and engineering applications such as geothermal energy system and nuclear waste disposal. This study investigates the impact of grain size and mineralogical composition on the mechanical properties and microcracking behavior …
Lime is the common term for several chemicals in three major categories: quicklime, hydrated lime and refractory dead-burned dolomite. Lime is almost never found …
Texture, mineralogy and porosity were identified as key parameters for the durability of limestones. Two main groups were identified regarding the texture/petrography …
Mineralogical composition of limestone and mussel shells showing the total content of calcium carbonate (wt percent of dry sample) and the relative abundance of calcite and aragonite. Bridging...
The composition and origin of massicot, litharge (PbO) and a mixed oxide of lead used as a traditional medicine in the Arabian Gulf - Volume 60 Issue 400. ... A Geochemical and Mineralogical Investigation of Spanish Silver Processing in the Sierra Morena. Metallography, Microstructure, and Analysis, Vol. 12, Issue. 2, p.
A study was conducted to investigate the influence of mineralogical and chemical composition of 26 dolomitic limestone aggregates, collected from four different regions of the …
Geochemical, textural, and mineralogical data from natural settings and laboratory experiments indicate that LMC microcrystals are diagenetic in origin.
Limestone is a sedimentary rock primarily composed of calcium carbonate (CaCO3) in the form of mineral calcite or aragonite.It is one of the most common and widely distributed rocks on Earth, with a wide range of uses in …
These data are linked to mineral tables by crystallography, chemical composition, physical and optical properties, Dana classification, Strunz classification, mineral name origins, …
The composition, texture, and color of sandstone can vary widely, leading to the classification of different types of sandstone based on these characteristics. Here are some common types of sandstone: ... X-ray diffraction (XRD): XRD is a technique that is used to identify the mineralogical composition of sandstone samples. The method involves ...
The mineralogical and inorganic composition of various hydrocarbon rich shales was evaluated with spectroscopic, microscopic, and mass spectrometric techniques. Microstructural analysis by X-ray Diffraction (XRD) determined the quartz, feldspar, dolomite, calcite, and clay composition of the shale. Scanning Electron Microscopy -
Abstract The deep penetration of crystal chemistry and physics of minerals into mineralogy, as well as the introduction of modern physical methods, has advanced mineralogical research to a qualitatively new level. Having yielded progress in the knowledge of the composition and properties of minerals, they have somewhat displaced mineralogy from solving its …
Classification based on mineralogical composition. Shales may be classified as quartzose, feldspathic or micaceous shale depending on the predominance of the minerals quartz, feldspar or mica, respectively, in the rock after appropriate XRD analysis (Pettijohn, 1957). Classification based on type of cementation/cementing materials.
The developed methodology shows reliable performance and demonstrates the ability to study the mechanical properties of mineral fibers, their mineralogical composition, and thermal properties.
Therefore, a meticulous understanding of the role of mineralogical composition in the engineering behaviour of sedimentary rocks is essential. For this purpose, both the matrix and aggregates of rocks must be thoroughly analysed to obtain comprehensive insight into this aspect. The main objective of this study is to investigate the extent of ...
Limestone is a sedimentary rock made of calcium carbonate (CaCO), usually in the form of calcite or aragonite. It may contain considerable amounts of magnesium carbonate …
True and brittle micas: composition and solid-solution series G. Tischendorf; G. Tischendorf 1. Bautzner Strasse 16, D-02763 Zittau, Germany. ... Publisher: Mineralogical Society of Great Britain and Ireland Received: 08 May 2007. Accepted: 11 Sep 2007. First Online: 09 Mar 2017. Online ISSN: 1471-8022.
The major mineral composition discovered was calcite (CaCO3) and dolomite [CaMg(CO3)2], alongside other minerals such as bustamite [(Ca,Mn)SiO3] and akermanite …
In the present research, we studied the effect of the mineralogical composition in mortars produced from limestone samples collected in different areas of Mozambique, using two cement types ...
Limestone is a versatile sedimentary rock with a wide range of properties and uses in various industries and applications. Its characteristics make it a valuable material for construction, …
Table 2 shows the mineralogical composition of the 10 selected samples after calcination and storage in sealed Eppendorf's tubes and plastic bags. It can be seen that the highest lime contents (CaO) are found in samples belonging to NHL2 and NHL3.5 groups, while different kinds of hydraulic phases predominate in samples of the NHL5 and Limit ...
Soil mineralogy aims to study and understand the soil mineral phase, which makes up about 90% of the solid volume of mineral soils. This scientific discipline encompasses a diverse range of topics including: (i) the …
Abstract. Modelling of mineral dust is often done using one single mean species. But for biogeochemical studies, it could be useful to access to a more detailed information on differentiated mineral species and the associated chemical composition. Differentiating between mineral species would also induce different optical properties and densities and then different …
The mineralogical composition of the ash, which depends on geological factors related to the formation and deposition of coal, its combustion conditions, etc. can be established by X-ray diffraction (XRD) analysis. The dominant mineral phases are quartz, kaolinite, illite and sideraite. The less predominant minerals in the untreated coals ...
The results of this study show that the mineralogical composition of the studied bentonite samples consists mainly of quartz, calcite, montmorillonite and plagioclase. The chemical composition shows that the most abundant oxides in the studied samples are SiO 2 (33.17–52.72%) and Al 2 O 3 (13.66–26.20%). Scanning electron microscope ...
Respirable mineral particles represent a potential health hazard in occupational settings and ambient air. Previous studies show that mineral particles may induce cytotoxicity and inflammatory reactions in vitro and in vivo and that the potency varies between samples of different composition. However, the reason for these differences is largely unknown and the …
Calcite was recognized as major mineral of limestone samples. The Yandev limestone sample (Figure 9) pattern recorded its highest primary peak at 31° and secondary peaks at 39°, 43° and 47° (d ...
What is Limestone Made up of? The limestone is mostly made up of one of two types of mineral – calcite or aragonite. Both of these are different crystal arrangements of calcium carbonate …
Based on generalizations of several works on the mineralogical composition of light and heavy fractions of the PS sandy rocks developed within the marine area of the SCB western slope and on land (Aliyev, 1947, 1949; Aliyev & Daidbekova, 1955; Alizadeh et al., 2016, 2017; Ali-Zade et al., 1985; Azizbekov et al., 1972; Davies et al., 2002; Guliyev et al., 2003; …
The Bronze Age that followed the Chalcolithic Age began in the Mesopotamian civilization of Sumeria and lasted from 4,200 to 1,000 BCE. During this time people combined mineralogical tin and copper and the result was bronze – a metal alloy that was stronger and more durable than copper. Figure 1.3 shows some Bronze Age artifacts.
If we compare the mineralogical composition of heavy loam chernozem with clay chernozem (Tables 1 and 2, respectively), we see that the clays contain a comparable amount of felspar but much less mica and more smectite and illite; again, the differences are statistically significant.There is no reason to think that the clayey chernozem are older and, therefore, …