Depth profiles of the 29 Si/Si fraction measured with SIMS on two

Download scientific diagram | Depth profiles of the 29 Si/Si fraction measured with SIMS on two clinopyroxene single crystals deposited simultaneously with a 29 Si-enriched olivine film: …

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Olivine dissolution rates: A critical review

A second major reason to review olivine dissolution rates is that its reactivity is relatively simple. Its structure is comprised of isolated Si O 4 4− tetrahedra linked by divalent …

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Enhanced Olivine Reactivity in Wet Supercritical CO2 for …

The success of CO2 mineralization as a potential solution for reducing carbon emissions hinges on understanding chemical interactions between basaltic minerals and CO2 …

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Minor and trace elements in olivines as probes into early igneous …

The trace element composition of olivine is a rapidly growing research area that has several applications of great potential. Mantle olivines can be distinguished from volcanic …

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Olivine

Olivine typically displays pale green pleochroism and no distinct cleavage. Mag. 10x. Photomicrograph of olivine under crossed polarized light. These crystals show 2nd order …

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Fe-Mg diffusion in olivine I: experimental determination between …

We have determined Fe-Mg diffusion coefficients in olivines from different sources (Nanga Parbat, Pakistan and San Carlos, Arizona, USA) at atmospheric pressure as a function of composition, …

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(PDF) Quantitative Review of Olivine Carbonation

Magnesium-dominant olivine (Mg2SiO4) has received considerable attention for geologic and ex situ carbon mineralization due to its reaction potential with CO2 and its …

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Extrinsic and intrinsic strength of amorphous olivine films

type, concentration and distribution, etc., are required. In this study, we adopt an alternative approach to char-acterizing the intrinsic strength of a-olivine by investigating the behavior of a …

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Jerry Lewis' Lost 1972 Comedy on Nazism Discovered in Sweden

The concentration camp itself was set up in Frösundavik in Solna. Hans Crispin tells Icon's Caroline Hainer that he got to hear that a working copy of the film was preserved …

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Kinetics and mechanism of mineral carbonation of olivine for CO2

The H + concentration in the void between the well-crystallized carbonates formed by carbonation and the non-reacted olivine was believed to be the same as that in the …

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Volatile concentrations in olivine-hosted melt inclusions from

mates for the original volatile concentrations in the melt because of the high probability for degassing during melt crystallization and/or during experiment homogenization. Olivine-hosted …

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triage19

During the anneal, a linear concentration gradient for the Fe/(Fe + Mg) ratio evolved within the ZrO 2 layer, where Fe strongly prefers the ZrO 2 grain boundary compared to Mg. The depth …

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Two-dimensional lithium diffusion behavior and probable hybrid …

Olivine lithium iron phosphate is a technologically important electrode material for lithium-ion batteries and a model system for studying electrochemically driven phase …

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The presence of silicate melt may enhance rates of cation …

Most olivine concentration profiles were acquired using a 20 keV accelerating voltage, a 250 nA current, a spot size of 1–5 microns and an element setup consisting of Si, …

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Trace elements in olivine: Proxies for petrogenesis, mineralization …

Olivine, being the most common and abundant mineral in mafic-ultramafic rocks, is widely used as geophysical and geochemical indicators. For instance, the preferred orientation …

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Fe concentration depth profiles from olivine thin …

We performed experiments with thin film diffusion couples to simultaneously measure diffusion coefficients of Zr, Hf, Nb and Ta parallel to the a- and c-axes of synthetic rutile in a gas mixing...

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Diffusion-induced lithium isotopic heterogeneity in olivines from

The results show systematic Li isotope changes with distance from the rim of olivine grains. δ7Li values of olivine in dunites decrease from + 10.46 to + 1.33‰ with …

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Rare earth element partitioning and subsolidus exchange …

The original concentration contrast for Lu was ca. 7 in favour of olivine whereas the original concentration contrast in La was at least 7000 in favour of plagioclase. The …

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Ca-Concentrations in Olivines from Ultrabasic Rocks

Such monocrystalline diamond films can also be used to create two- and three-dimensional photonic crystals, which are in demand for optical processors. Olivine crystals …

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Hydrogen Generation and Serpentinization of Olivine Under Flow

Olivine reaction rates are typically controlled by the concentration of the reactants, temperature, pressure, surface area, and presence/absence of a catalyst (e.g., Godard et al., …

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olivine film concentration

Introduction. The study of olivine-hosted melt inclusions trapped at depth by growing olivine crystals, before a rising magma has the opportunity to degas completely, presents an …

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Bright-field TEM images of the cross sections of four thin-film …

Download scientific diagram | Bright-field TEM images of the cross sections of four thin-film samples prepared to investigate the kinetics of enstatite rim formation: a reference sample …

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Si and O diffusion in olivine and implications for …

(iii) The surface roughness is within a few nm. HRTEM images reveal [Dohmen et al., 2002] that there is only one phase – olivine, with excellent bonding between the crystalline substrate and the polycrystalline thin film. The …

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Fe–Mg diffusion in olivine I: experimental determination between …

We have determined Fe–Mg diffusion coefficients in olivines from different sources (Nanga Parbat, Pakistan and San Carlos, Arizona, USA) at atmospheric pressure as a …

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Rheology of amorphous olivine thin films characterized by

The a-olivine thin film presents some degree of viscoelasticity with the Young's modulus slightly varying from 89 to 92 GPa with increasing the strain-rate by one order of …

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Hydrogen Concentrations and He Isotopes in Olivine …

Hydrogen concentration profiles across olivine reveal that H loss during decompression was limited to the outermost rims, and yield dehydration durations of 15–417 min. Based on the water contents of the highest-Fo olivine …

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Forsterite-Fayalite Diagram

The green area indicates temperatures and compositions for which a single phase, olivine, is present at equilibrium. The olivine only region is bounded by a single saturation curve for liquid …

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About Us — Olivine Films

Todd Wilson is owner of Olivine Films. Todd works with clients to envision film campaigns that delight audiences. As Executive Producer, Todd manages the creative process and team. …

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Magnesium transport in olivine mantle: new insights from

The equilibration of Mg in olivine grains can be considered instantaneous with respect to geological timescales in the asthenosphere. However, the transport of Mg remains …

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Extrinsic and intrinsic strength of amorphous olivine films

In order to deposit a-olivine thin films by PLD, polycrystalline pellets of synthetic olivine with a nominal composition of Mg 1.8 Fe 0.2 SiO 4 were ablated using a pulsed laser beam with a …

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The effect of water on Si and O diffusion rates in olivine and

We performed piston cylinder experiments (1200–1350 °C, 2 GPa) to determine the diffusion rates of Si and O in mantle olivine under water undersaturated (brucite absent, 45 …

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Determination of total CO2 in melt inclusions with shrinkage bubbles

The presence of tiny carbonates and a thin film of CO 2-bearing phases, ... Volatile concentrations in olivine-hosted melt inclusions from the Columbia River flood basalts …

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