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  • Olivine—The Little Green Science Machine - GeoScienceWorld

    In some ways, olivine has driven the evolution of the Solar System and likely beyond. As one of the earliest-crystallizing silicate minerals, olivine controls the initial chemical evolution

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  • (PDF) Olivine—The Little Green Science Machine

    2023.6.1  As one of the earliest-crystallizing silicate minerals, olivine controls the initial chemical evolution of planet-wide magma oceans and individual lava flows alike. In solid

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  • Sintering properties of olivine and its utilization potential as

    2020.12.15  1. Introduction Refractories are defined as solid materials which have a good resistance to heat and thermal shock, and can maintain their mechanical function at

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  • 2 Predicting olivine formation environments using

    2023.4.14  28 olivine samples from twelve environments to determine the contents of MgO, FeO, Ni, 29 Ca, Mn, and Cr and the Fo number (100×Mg/(Mg+Fe)). The results

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  • Olivine—The Little Green Science Machine - ResearchGate

    2023.12.17  Earth, but also on other planetary bodies, making olivine ideally suited to shed light on both primordial planet-building processes and current-day volcanism and

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  • Olivine in picrites from continental flood basalt provinces

    2022.6.1  Olivine in picrites from continental flood basalt provinces classified using machine learning American Mineralogist GeoScienceWorld Research Article June 01,

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  • Olivine—The Little Green Science Machine – Elements

    INTRODUCTION. Creeping in the mantle, melting into a magma, re-crystallizing in a shallow chamber, erupting from a volcano, breaking down in the subsurface, or orbiting in space:

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  • Olivine: a supergreen fuel - Energy, Sustainability and Society

    2013.9.2  A mixture of water and CO 2 (preferably fairly hot) is injected in the perforated pipe system, and as it spreads through the olivine, the reaction starts. When

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  • Dry metastable olivine and slab deformation in a wet

    2021.5.24  Nature Geoscience - Transformation kinetics of olivine may be a cause of deep-focus earthquakes even in wet slabs, according to water-partitioning experiments,

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  • Growth of, and diffusion in, olivine in ultra-fast ascending

    2018.8.6  33 Citations Metrics Abstract Complex core-rim zoning of Mg-Fe-Ni-Ca-Cr-Al-P in high-Mg olivine crystals from a tuff ring of Shiveluch volcano, Kamchatka, enables

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  • A startup using minerals to draw down CO2 has

    2021.5.26  Noah Deich, president of Carbon180, a research firm that advocates for the removal and reuse of carbon, says the company could help address a core challenge in carbon removal: technical approaches ...

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  • EJM - Defects in olivine - Copernicus

    2021.5.3  Abstract. Olivine, a ferromagnesian orthosilicate, is the most abundant mineral in Earth's upper mantle and is stable down to the olivine–wadsleyite phase transition, which defines the 410 km depth

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  • 2 Predicting olivine formation environments using

    2023.4.14  5 68 clustering techniques by naked eye, resulting in difficulties in distinguishing the olivine 69 origin for a wide range of ages and tectonic settings. 70 More specially, olivine is an early-crystallized silicate phase of almost all 71 mantle-derived mafic/ultramafic magmas that is parental to numerous important 72 magmatic Ni-Cu

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  • Minerals Free Full-Text Serpentine–Hisingerite Solid

    2019.1.15  The process of Fe oxidation and coupled H 2 production during serpentine formation has attracted sustained research interest across the geological, mineralogical, biological, and planetary sciences over the past few decades (e.g., References [1,2,3,4,5,6]), although the presence of oxidized iron in serpentine-group minerals has been

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  • (PDF) Olivine—The Little Green Science Machine

    2023.6.1  Olivine—The Little Green Science Machine. June 2023; Elements 19(3):138-143; DOI:10.2138 ... making olivine ideally suited to shed light on both primordial planet-building processes and current ...

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  • Experimental partitioning of halogens and other trace

    2013.6.19  Results reveal average Cl concentrations in olivine and pyroxenes around 20 ppm and up to 900 ppm F in olivine, making olivine an important repository of halogens in the mantle. ... (OH) 2 –SiO 2 mixture in an agate mortar under ethanol for 1 h and subsequently in an automatic milling machine for 1 h. The doping agents were then

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  • Coatings Free Full-Text Four-Polarisation Camera for

    2023.9.18  A four-polarisation camera was used to map the absorbance of olivine micro-grains before and after high-temperature annealing (HTA). It is shown that HTA of olivine xenoliths at above 1200 °C in O2 flow makes them magnetised. Different modes of operation of the polariscope with polarisation control before and after the sample in

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  • Enhanced Rock Weathering MIT Climate Portal

    2023.11.9  Olivine, for instance, is a very common rock below the Earth’s crust, but a rare one on the surface because it weathers so quickly. In theory, olivine dust spread on beaches or in the ocean would break down in a matter of years, locking up carbon as it dissolves. ... in which machines take pure CO 2 out of industrial waste streams or the air ...

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  • Water Speciation and Storage Capacity of Olivine under the

    2024.1.23  The key features of the interaction between peridotites of the continental lithospheric mantle and reduced hydrocarbon-rich fluids have been studied in experiments conducted at 5.5 GPa and 1200 °C. Under this interaction, the original harzburgite undergoes recrystallization while the composition of the fluid changes from CH4-H2O to

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  • Crystallization Kinetics of Basalt Glass-Ceramics Produced from Olivine ...

    2022.6.24  Glass-ceramics acquired from the melting of rocks have a vast application marketplace. In this study, an olivine basalt rock from Zhangjiakou in China was selected as a raw material to prepare basalt glass-ceramics, and the crystallization kinetics of olivine basalt glass was investigated using differential thermal analysis. Polarizing microscope

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  • Olivine compositional changes in primitive magmatic

    2018.9.1  Olivine-melt partition coefficients of Ca (D Ca 2+ = 0.15) and Ni (D Ni 2+ = 11.22) are estimated through Eqns. 11 and 26, respectively. The CaO content of the assimilant is set to 45 wt%. The amount of fractionated olivine is lower than 8% and the ratio of the assimilation rate to the crystallization rate changes from 0.01 to 0.2.

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  • Do Olivine Crystallization Temperatures Faithfully Record

    2021.2.14  While Al hosted in olivine octahedral sites via a vacancy-coupled substitution may diffuse extremely rapidly (Zhukova et al., 2017), the majority of the Al incorporated into olivine is likely to be extremely slow diffusing (Spandler O'Neill, 2010), making it unlikely that the thermometer will be reset following crystallization (Coogan et al ...

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  • Hydrogen generation from low-temperature water–rock

    2013.5.26  Hydrogen is commonly produced during the high-temperature hydration of mafic and ultramafic rocks. Laboratory experiments suggest that water–rock reactions also generate hydrogen at lower ...

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  • Experimental Investigation on Concrete by Partial

    2023.11.21  Olivine sand is primarily used for making moulds in the manufacture of large steel and iron castings which provides a cleaner surface when demoulded than using quartz sand. ... a Universal Testing Machine (UTM) with a capacity of 2000 kN was used. The specimens were loaded without shock at a constant rate of 1800 N/m until the

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  • Dry metastable olivine and slab deformation in a wet

    2021.5.24  Transformation kinetics of olivine may be a cause of deep-focus earthquakes even in wet slabs, according to water-partitioning experiments, which show that olivine remains relatively dry even ...

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  • Olivine—The Little Green Science Machine - GeoScienceWorld

    Olivine—The Little Green Science Machine. Emily C. First; Elements (2023) 19 (3): 138–143. In some ways, olivine has driven the evolution of the Solar System and likely beyond. As one of the earliest-crystallizing silicate minerals, olivine controls the initial chemical evolution of planet-wide magma oceans and individual lava flows alike.

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  • Growth of, and diffusion in, olivine in ultra-fast ascending

    2018.8.6  Complex core-rim zoning of Mg-Fe-Ni-Ca-Cr-Al-P in high-Mg olivine crystals from a tuff ring of Shiveluch volcano, Kamchatka, enables reconstruction of the entire olivine crystallization history ...

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  • APAP: Definition, Conditions Treated, Types - Verywell Health

    2023.4.20  This machine pushes air into the nose, mouth, or both through a face mask or nasal cannula (a device with tubes that delivers supplemental oxygen or an increase flow of air) to promote consistent breathing. Unlike other types of PAP devices, APAP automatically adjusts the air pressure a person receives during sleep. ... By Ashley

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  • The search for lunar mantle rocks exposed on the surface of ... - Nature

    2021.8.3  Abstract. The lunar surface is ancient and well-preserved, recording Solar System history and planetary evolution processes. Ancient basin-scale impacts excavated lunar mantle rocks, which are ...

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  • Coupled Li-P Zoning and Trace Elements of Olivine from

    2022.3.2  The NW China deposits are composed of olivine-rich cumulates ().Dunite, lherzolite, and olivine websterite are the main rock types of the Beishan intrusions (Fig. 2a and b, Poyi and Poshi Ni-Cu deposits) (e.g. Xue et al., 2016), whereas lherzolite and olivine websterite are the most prevalent rock types in the intrusions in the Central Tianshan

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  • Frontiers Response of a Coastal Microbial Community to Olivine ...

    2022.2.10  Spreading olivine powder in seawater to enhance alkalinity through weathering reactions has been proposed as a potential solution to control atmospheric CO2 concentration. Attention has usually been paid to the chemical properties of seawater after the addition of olivine within lab and modeling studies. However, both microbial

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  • How do olivines record magmatic events? Insights from

    2016.5.27  Reconciling the diverse records of magmatic events preserved by multiple crystals and minerals in the same sample is often challenging. In the case of basaltic–andesites from Volcán Llaima (Chile), Mg zoning in olivine is always simpler than Ca zoning in plagioclase. A model that explains a number of chemical patterns is that

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  • Olivine—The Little Green Science Machine

    2023.12.20  these many virtues, the potential of olivine intrigues and it has received ever-increasing attention over the years as a focal point for studying planetary processes, tectonic motions, and magma dynamics—making it arguably the most-studied mineral in Earth sciences. Looking through the olivine lens, this issue of Elements presents an array of

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  • Carbon mineralization pathways for carbon capture, storage

    2021.2.26  Carbon mineralization is a versatile and thermodynamically downhill process that can be harnessed for capturing, storing, and utilizing CO2 to synthesize products with enhanced properties. Here ...

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  • Olivine decadence of continental flood basalts in the light of

    2022.9.28  Abstract Continental flood basalts of the world are represented either by picrobasalt/picrite layers (with abundant growth of olivine) or by (almost) olivine-depleted tholeiite basalts. We have taken a case study from the olivine-depleted basaltic rocks from Khandwa (21°49′N: 76°21′E) Eastern Deccan Volcanic Province. Our research shows

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  • 6.4.10: Olivine Group Minerals - Geosciences LibreTexts

    Figure 6.94: The atomic arrangement in olivine. In olivine group minerals, SiO 4 tetrahedra do not share oxygen but, instead, are linked via bonds to other cations. Figure 6.94 shows an example. The red and purple spheres are mostly Fe and Mg in common olivine. In monticellite, the red spheres are Ca and the purple spheres are Mg.

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  • Graduate Research Fellowship Profiles :: Jane Street

    Olivine Silier. Olivine Silier is a student at UC Berkeley studying harmonic analysis and discrete geometry and is advised by Ruixiang Zhang. Olivine has developed cell partitioning techniques which yield the first proto inverse theorem for Szemerédi-Trotter and plans to leverage these new analysis flavored tools in an ambitious research program, including

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  • The Secrets Behind The Perfect Curling Stone - Forbes

    2022.2.5  The olivine-dolerite is known as Ailsa Craig Common Green, named after the green olivine crystals making up the rock. The riebeckite-microgranite and olivine-dolerite are used for the production ...

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  • Evolution of Olivine Fabrics During Deep Subduction and

    2022.10.21  According to the previous research that different olivine fabrics developed under various temprerature, pressure, stress and water content, we try to discuss the transformation of olivine fabric at different metamorphic stages with different P-T conditions in metamorphic ultramafic rocks. The Yinggelisayi garnet lherzolites from South Altyn,

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