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Minerals | Free Full-Text | The Temperature of Halite …
Currently, fluid inclusions in halite have been frequently studied for the purpose of paleoclimate reconstruction. For example, to determine the air temperature in the Middle Miocene (Badenian), we examine single-phase primary fluid inclusions of the bottom halites (chevron and full-faceted) and near-surface (cumulate) halites collected …
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UV Raman spectroscopy of hydrocarbon-bearing inclusions in rock salt
Compositions of hydrocarbon-bearing inclusions in rock salt (halite) from the Shahejie Formation in the Dongying sag, Bohai Bay Basin, eastern China have been analysed by Raman spectroscopy coupled with a 244 nm UV laser source.The fluorescence effect caused by the conventional visible laser excitation of the aromatic fractions of HC …
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Atmospheric gas in modern and ancient halite fluid inclusions: A
Inclusions trails are well defined in the halite from the Salt Range, unfortunately, these small trails with inclusions are overprinted by large diagenetic inclusions (Fig. 6 A). In some instances, during burial and subsequent tectonic activity, halite may fracture and inclusion trails may form along fracture seams ( Fig. 6 B).
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Isolation of Halobacterium salinarum retrieved directly from halite
Inclusions are common in halite and the fluid inclusions in terrestrial evaporate deposits which can provide refuge for extant and extinct life, preserving biosignatures including DNA, and viable ...
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Evaporation stage of paleo-saline lake in North Shaanxi salt basin
Fluid inclusions within halite from the Mizhi cores in the North Shaanxi Basin were studied to restore the ancient sedimentary environment, and to discuss the material supply on this basis. Fluid inclusion analyses include fluid inclusion petrography to examine their characteristics and types, hydrogen and oxygen isotopic compositions of …
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Minerals | Free Full-Text | Estimation of the Ambient
The ion contents of halite fluid inclusions were obtained to reconstruct the chemical composition of the salt lake during halite formation. The lake brine was a Na-Mg-K-Ca-Cl type and reached the initial stage of halite deposition.
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Chemical composition of brine inclusions in halite fromclayey salt
To establish the brine chemistry associated with the evaporites in the Pennsylvanian Paradox Basin of southeastern Utah and southwestern Colorado (USA), the composition of presumably primary fluid inclusions was determined in sedimentary halite from two drill cores, one near the central part of the basin (Shafer Dome 1) and one from a more …
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Solid inclusions of halite in quartz: evidence for the halite …
1. Introduction High-salinity fluid inclusions have been documented in many ore deposits, particularly those thought to have been deposited from magmatic fluids. It is …
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830-million-year-old life in ancient salt crystals
Crystalline Halite is otherwise known as common salt (NaCl). Halite from an Australian borehole was dated at 830-million-years, but contained liquid inclusions with microorganisms (credit: Rob Lavinsky, iRocks). A recent report in the journal Geology 1 makes the astonishing claim that microorganisms detected in salt, conventionally dated …
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Ancient Microorganisms and Carotenoids Preserved in Fluid Inclusions …
The homogenization temperatures of single-phase primary fluid inclusions indicate that the precipitation temperature of the Holocene halite in Chaka Salt Lake ranges from 13.5°C to 36.4°C. This suggests that fluid inclusions in halite are a good medium for trapping and preserving ancient microorganisms and organic matter in salt lakes, and ...
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Chemical composition of brine inclusions in halite …
The analyzed inclusions, cubic and 40-100 gm in diameter, have occurred in chevron-type structures (primary sedimen- tary halite). Only in one sample (BZ-1) was …
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The Ultramicrochemical Analyses (UMCA) of Fluid …
1. Introduction. Fluid inclusions in halite constitute sources of information on the composition of seawater in the ancient oceans, e.g., [ 1, 2, 3, 4 ], …
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Minerals | Free Full-Text | The Lotsberg Salt Formation in Central
It showed, also, a lack of sulphate minerals (anhydrite). Manganite also occurs within the halite crystals. Microthermometric measurements of primary fluid inclusions in halite show a large range of homogenization temperatures from 32.4 °C to 357.0 °C with the highest temperature in the upper part of the salt profile.
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Halite: Meaning, Properties and Benefits You Should Know
Halite is a common salt, but that doesn't mean it's any less sacred. It's one of the few crystals that open all the major chakras in the body, as Halite crystals exist in many colors.. Halite is ruled by the Aztec Goddess of Fertility, Huixtocihuatl; Nanshe, the Persian Goddess of Justice; Tiamat, the Babylonian Goddess of Salt Water; Poseidon, the Greek …
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Reconstruction of Polyhalite Ore-Formed Temperature from Late
The reliability of the index of halite fluid inclusions and the maturity of its testing technology are further explained. In this work, the temperature of KSL brine is reconstructed by studying the of the primary halite fluid inclusions in the core halite salt layer; finally, the ore-formed temperature of polyhalite is revealed directly.
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Stable isotope composition of fluid inclusions preserved in halite
Halite deposits located in the southern Poland, near Krakow, are famous mostly due to the medieval salt mine located in Wieliczka. Contrary to most salt deposits in Europe forming large domes, the halite deposits near Krakow form distinct beds, extending from west to east on the area of ca. 10 km, with several types of salt identified.
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(PDF) Whether the Middle Eocene Salt-Forming Brine in the …
In total, 22 halite fluid inclusions were analyzed for chemical components. The highest KCl content reached 0.59%, which was higher than the lowest industrial grade of potassium-rich brine (0.5% ...
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Microbial communities in fluid inclusions and long-term survival in halite
The halite crust formed by these processes contained large numbers of brine inclusions trapped during crystal growth, and the salt crust was pink because microbes from the water column were incorporated into the halite inclusions (Figs. 2F and 2G).
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(PDF) Reconstruction of Polyhalite Ore-Formed
The polyhalite produced in the halite layer of KSL is a primary mineral, which provides the possibility to study its ore-formed temperature by using the of the fluid inclusions in the primary ...
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830-million-year-old microorganisms found trapped in …
Distribution of microorganisms in primary fluid inclusions in Browne Formation halite from central Australia. Credit: Geology. In an extraordinary find, researchers at West ia University ...
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Solid inclusions of halite in quartz: evidence for the halite trend
Type 1 inclusions (Fig. 3) are multiphase inclusions with liquid (l), vapor (v), halite (h), sylvite (s) and three or more other daughter minerals that homogenize by either halite or vapor disappearance from 400°C to greater than 600°C. Bulk salinities range from 65 to 83 wt.% NaCl+KCl. Some of the other daughter minerals have been identified as …
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Permian paleoclimate data from fluid inclusions in halite
This cooling nucleation method of measuring homogenization temperatures in originally all-liquid primary fluid inclusions was successfully used in both modern and Pleistocene ephemeral lake/salt pan halite from Death Valley, CA (Brown, 1995; Roberts and Spencer, 1995).In order to test this method, those workers collected newly grown …
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The Ultramicrochemical Analyses (UMCA) of Fluid Inclusions …
(B) coarse and medium-grained salt with the remnants of bottom grown halite (chevron halite). (C) fine-grained salt with the relicts of salting-out halite. Chevron halite ("outlined" by primary fluid inclusions) is the main and the most common form of sedimentary halite in ancient salt deposits. Other types of sedimentary halite are quite ...
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830-million-year-old microorganisms in primary fluid inclusions in …
As halite (NaCl) grows from saline surface waters, primary fluid inclusions entrap parent waters, becoming microenvironments within the host crystal. …
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Fluid inclusions in halite from the Röt (lower triassic) salt deposit
The study of fluid inclusions in Lower Triassic Röt halite from the Rockensussra 2/83 borehole in northern Germany showed the presence of primary and secondary gas-liquid inclusions. The gas phase in inclusions indicates their stretching due to salt overheating at some postsedimentary stage. The homogenization temperature of inclusions …
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Molecular acclimation of Halobacterium salinarum to …
Molecular acclimation of Halobacterium salinarum to halite brine inclusions Front Microbiol. 2023 Jan 26;13:1075274. doi: 10.3389/fmicb.2022.1075274. eCollection …
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Synthetic fluid inclusions XXII: Properties of H2
Fluid inclusion assemblages from the Bangpu deposit consist of liquid-rich, halite-bearing inclusions that homogenize by halite dissolution, and vapor-rich inclusions within the same secondary trails. Microthermometric data from these FIA show patterns of relatively constant T m,hal and slightly variable T h,L-V within a given FIA (Fig. 6 A).
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Synthetic fluid inclusions XXII: Properties of H2
A review of the published fluid inclusion data also supports halite saturation in these systems. In this study, we synthesized fluid inclusions at known pressure-temperature-composition (PTX) conditions in the H 2 O-NaCl and H 2 O-NaCl-KCl systems such that vapor + halite or liquid + vapor + halite existed at the time of trapping. Our …
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Halite
halite is the most soluble common mineral, 360 g l −1 at 25 °C ( Langer and Offermann, 1982 ), which is two orders of magnitude higher than gypsum, and three orders of magnitude larger than limestone; •. in contrast to carbonates, salt solubility does not depend on dissolved gases or acidity; •.
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Analysis of fluid inclusions in halite (Journal Article) | OSTI.GOV
Brines were extracted from fluid inclusions in Lower Salt halite of the Middle Devonian Prairie Formation in Saskatchewan, Canada. The brines were analyzed by ion chromatography and were found to be of the Na-K-Mg-Ca-Cl type. They do not fall along a simple evaporation trend. Brines from clear, diagenetic halite are significantly lower in Na ...
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