Halite
Core Analysis. Colin McPhee, ... Izaskun Zubizarreta, in Developments in Petroleum Science, 2015. 4.7.3 Halite. Halite forms an important cement in certain …
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Core Analysis. Colin McPhee, ... Izaskun Zubizarreta, in Developments in Petroleum Science, 2015. 4.7.3 Halite. Halite forms an important cement in certain …
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The captivating world of minerals unfolds with the intricate beauty of halite, a mineral renowned for its crystal structure and unique physical properties. Delve into the cubic wonders of halite's crystalline form and the marvels of its cleavage properties, revealing a mineral of both elegance and utility.
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The halite trend (Fig. 1) was first described for the Naica deposit (Erwood et al., 1979) and was then identified by Cloke and Kesler (1979) in other deposits including …
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H2O activities in concentrated NaCl solutions were measured in the ranges 600°–900° C and 2–15 kbar and at NaCl concentrations up to halite saturation by depression of the brucite (Mg(OH)2) – periclase (MgO) dehydration equilibrium. Experiments were made in internally heated Ar pressure apparatus at 2 and 4.2 kbar and in 1.91-cm-diameter …
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Materials. The halite sample analyzed in this study was obtained from the depth interval of 1654.87 to 1770.31 m from well SB18, belonging to section E 1 f 4.The halite samples mainly comprise ...
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This work presents a study of the reciprocal dispersive power, also known as constringence or Abbe number of an aqueous solution of NaCl in a wide range of concentrations. The constringence exhibited a distinct behavior in the region close to the phase transition between a phase containing exclusively brine and a phase containing …
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This is reflected by the halite concentration field, where crystals are mostly found in the lower half of the domain. Note that the initially saturated conditions and the absence of settling yield an …
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The results obtained in-point composition s 13.5 m.When this stage. dicate that 7.2 gkg-' can be dissolved in isreached, the amount ofhalite that will. average Dead Sea brines …
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Halite, also known as rock salt or sodium chloride (NaCl), is a naturally occurring mineral that holds significant importance in various aspects of human life. This crystalline mineral is composed of equal parts sodium and chlorine ions and is renowned for its distinctive cubic crystal …
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Abstract. A model is developed for the calculation of coupled phase and aqueous species equilibrium in the H 2 O-CO 2-NaCl-CaCO 3 system from 0 to 250 °C, 1 to 1000 bar with NaCl concentrations up to saturation of halite. The vapor-liquid-solid (calcite, halite) equilibrium together with the chemical equilibrium of H +, Na +, Ca 2+, CaHCO3+, …
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Preprint UCRL-TR-201284 Evaporative Concentration of 100x J13 Ground Water at 60% Relative Humidity and 90°°C Q. A. Nguyen, P. Hailey, M. Sutton, K. Staggs, M. Alai, and S. Carroll December 2003 U.S. Department of Energy Lawrence Livermore National Laboratory Approved for public release; further dissemination unlimited DISCLAIMER …
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Chemical compositions of halite. The concentrations of the major elements in the halite samples are shown in Table 2. The Na/Mg mass ratio of the halite samples vary remarkably, from 1.0 × 10 2 to 9.5 × 10 4, and the Ca/Mg mass ratio ranged from 0.6 to 299.3. Compared with ancient halite samples, the Ca/Mg and Na/Mg ratios of the …
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A thermodynamic model is developed for the calculation of both phase and speciation equilibrium in the H 2 O–CO 2 –NaCl–CaCO 3 –CaSO 4 system from 0 to 250 °C, and from 1 to 1000 bar with NaCl concentrations up to the saturation of halite. The vapor–liquid–solid (calcite, gypsum, anhydrite and halite) equilibrium together with the …
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Bellow -0.1 °C halite crystallizes together with ice to form the mineral hydrohalite, which is sodium chloride dihydrate NaCl.2H 2 O. Hydrohalite is often found in fluid inclusions. Rock Salt is a term that is often used to describe halite itself, but in reality, it is a 95 - 99 % halite composite that includes impurities.
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Rock salt is the name of a sedimentary rock that consists almost entirely of halite, a mineral composed of sodium chloride, NaCl. It forms where large volumes of sea water or salty lake water evaporate from an arid-climate …
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Continuous crystallization from the Dead Sea results in a concentration rise of the soluble ions and increase of the ionic strength of the brine. As a result, the activity of the halite crystal building ions (Na + and Cl −) is decreased, thus solubility of halite rises as is indicated schematically in Figure 2 by the parallel lines t 0, t 1, t 2.
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The two latter samples contain Rb concentrations which are significant with respect to Sr contents (Table 2), whereas Rb for the SelG129 halite is below detection limit. In situ 87 Rb-decay can lead to an increase of the 87 Sr/ 86 Sr ratio taken into account the relatively high age of the Zechstein deposits (Roadian to Changsingian, 269-251.4 ...
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A thermodynamic model for the prediction of phase equilibria and speciation in the H2O-CO2-NaCl-CaCO3-CaSO4 system from 0 to 250°C, 1 to 1000 bar with NaCl concentrations up to halite saturation
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3.1.3 Halite Inhibition. Halite precipitation is primarily controlled by dilution, which consists in the injection of fresh water or low-salinity water, either in a batch mode or continuous injection (Wat et al. 2010; Aquilina 2012; Wylde and Slayer 2013), and enhanced with the addition of a precipitation inhibitor (Johnston et al. 2017). The ...
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In situ metabolism in halite endolithic microbial communities of ... while soils contain a meager population of microbial cells at an average cell concentration of 10 3 –10 5 cells/g soil ... halite endolithic communities are capable of fixing carbon under the salt-saturated conditions that prevail in liquid films that result from ...
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A model is developed for the calculation of coupled phase and aqueous species equilibrium in the H 2 O–CO 2 –NaCl–CaCO 3 system from 0 to 250 °C, 1 to 1000 bar with NaCl concentrations up to saturation of halite.The vapor–liquid–solid (calcite, halite) equilibrium together with the chemical equilibrium of H +, Na +, Ca 2+, …
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Brines and salt were sampled at the Morton Bahamas solar salt production facility on Great Inagua Island in the Bahamas. The brines were analyzed by ion chromatography to define more precisely than heretofore the evaporation path of seawater to the end of the halite facies. At Inagua, calcium carbonate begins to precipitate at a brine concentration …
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Solid line shows halite dissolution in pure water. Meteoric water falls close to this line because halite is the main mineral dissolved, Meteoric water develops along the line from lower left to upper right. Spring brine water evolves differently, and includes higher concentration of Mg2+, Ca2+ and K+ ions.
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Deposited halite is not rich in species. The number of species is estimated to be in the range of dozens [44].Isolates from ancient halite represent archaea from only eight known genera, while nine archaeal genera were found from metagenomic studies (Table 1).Several ribosomal 16S sequences from ancient halite also reveal archaea and …
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About molten halite; Molten halite weighs 1.549 gram per cubic centimeter or 1 549 kilogram per cubic meter, i.e. density of molten halite is equal to 1 549 kg/m³; at 805°C (1481°F or 1078.15K) at standard atmospheric pressure.In Imperial or US customary measurement system, the density is equal to 96.7009 pound per cubic foot [lb/ft³], or …
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The results show that: (1) more B 3 + and Mg 2 + values in halite are low concentrations and more concentrated, and low B 3 + concentrations have a strong correlation with low Mg 2 + in halite, which imply that they might be the same source; (2) low Mg 2 + values in halite from ISL1A have a similar trend with m Mg 2 + (molarity) of …
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A model is developed for the calculation of coupled phase and aqueous species equilibrium in the H 2 O–CO 2 –NaCl–CaCO 3 system from 0 to 250 °C, 1 to 1000 bar with NaCl concentrations up to saturation of halite. The vapor–liquid–solid (calcite, halite) equilibrium together with the chemical equilibrium of H +, Na +, Ca 2+, CaHCO 3 …
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Halite crystallizes in the cubic system, with a face centered lattice, f.c.c. (space group Fm3m), its lattice parameter being a 0 = 5.64Å. Halite, along with all the f.c.c. alkali halides, exhibits a peculiar feature: while the ideal surface structure of both the cube {100} (Fig. 2a) and the rhomb-dodecahedron {110} (Fig. 2b,c) are not polar since the …
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