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Magnesite
The main source of magnesium is magnesite (MgCO3). Magnesite usually forms during the alteration of magnesium-rich rocks or carbonate rocks by...
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Estimation of loss on ignition values of the magnesite minerals using robust multiple regression
Magnesite is an ore used in the production of a wide variety of industrial minerals and compounds and magnesium metal, as well as its alloys. The...
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Formation process and thermodynamic mechanism of the crust in magnesite mining areas
Large areas of soils, in the magnesite mining areas of northern China, are covered with a hard-white crust, which affects ecological functions of...
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Application of spectral signature to analyze quality of magnesite ore mineral deposits and altered rocks of Salem, India
The developers of remote sensing and an advancement of imaging spectroscopy have provided an opportunity to extract compositional information of...
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TRANSFORMATION OF MAGNESITE TO SEPIOLITE AND STEVENSITE: CHARACTERISTICS AND GENESIS (ÇAYIRBAĞI, KONYA, TURKEY)
Çayırbağı magnesite is one of numerous magnesite deposits occurring throughout Turkey. In this deposit, sepiolite and newly found stevensite occur...
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Genesis and geological significance of carbonate in Changdu Basin, **zang, China: Constraints from geochemistry and C–O isotopes
Research on the origin of carbonates in Changdu Basin holds significant importance for understanding the regional potash formation model. Based on a...
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Systematic Separation Studies on Finely Dispersed Raw Magnesite by Using Triboelectrostatic Belt Separation
In the course of this study, systematic test series were examined to analyse and optimise the sortability of raw magnesite by using...
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Polyphase stratabound scheelite-ferberite mineralization at Mallnock, Eastern Alps, Austria
A peculiar type of stratabound tungsten mineralization in metacarbonate rocks was discovered and explored at Mallnock (Austria) during the late...
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Evidence of Ultrahigh-Pressure Evolution of Garnet Peridotites in the Polar Urals
AbstractSegregations of carbonates in association with chlorapatite were discovered in garnet peridotites of the Marun-Keu eclogite–gneiss complex...
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Forsterite from the Itkul Hyperbasite Massif, Southern Urals; or, Once Again about Glinkite
AbstractThe mineralogy of olivine veins from the Itkul hyperbasite massif, Southern Urals, has been studied. These veins are composed of forsterite...
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Crystal Chemistry of Biofilm and Synthetic Oxalates of the Humboldtine Group
Synthetic and bioinspired analogs of oxalate minerals humboldtine, glushinskite, lindbergite, falottaite were obtained on the surfaces of a set of...
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Spectroscopic Investigations and Mineral Chemistry of Dunite from the Sargur Supracrustals (3 Ga) Greenstone Belt: Implications to Terrestrial Analogues for Lunar and Martian Dunite
Archean Serpentinised dunite is important not only for understanding the evolution of the ultramafic deposit of magnesium, but also serves as a...
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Applicability of Electrostatic Separation on Talc-Containing Mineral Samples for Production of a High-Grade Talc Concentrate in Comparison to Flotation
In the course of this study, the applicability of electrostatic separation and flotation for processing a mineral sample rich in talc was examined....
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Soapstone (Talc-Chlorite Schist)
Talc-chlorite schist in geological, architectural, and local history literature is called “pot stone” or “soapstone”. It is a metamorphic rock...
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Meta-Ultramafic Rocks of the Maksyutov Complex, Southern Urals: High-Pressure Si–Al Metasomatism and Carbonatization at the Crust–Mantle Interface in the Subduction Zone
Abstract —The Maksyutov eclogite–blueschist Complex is characterized by a complicated fold-and-thrust structure that has been formed during the Late...
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Modeling Multicomponent Fluid Flow in Deforming and Reacting Porous Rock
AbstractWe propose a coupled hydro-mechanical-chemical model and its 1D numerical implementation. We demonstrate its application to the model...
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In-situ High-Temperature XRD and FTIR for Calcite, Dolomite and Magnesite: Anharmonic Contribution to the Thermodynamic Properties
In-situ powder X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectra were measured on the natural crystals of calcite (Ca 0.996 Mg 0.004 CO...
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Degassing Mechanisms of Kimberlite Magma at Its Initial Ascent: Experimental Data at 5.5 and 3.0 GPa
Abstract—The mechanisms of kimberlite magma effervescence were experimentally studied for the first time with the use of kimberlite-like melts, which...
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Redox Freezing and Melting during Peridotite Interaction with Carbonated Metasediments and Metabasics: Experiments at 10 GPa
Abstract —The hypothesis of redox freezing is based on the assumption that a Fe–Ni metal phase becomes stable in the peridotite mantle at increasing...
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Talc
Talc is hydrated magnesium silicate (Mg3Si4O10(OH)2); however, it may contain mineral impurities such as chlorites and fibrous amphiboles, calcite,...