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Molecular hydrogen (H 2) may be an important form of water in nominally anhydrous minerals in the Earth's mantle and plays a critical role in mantle water cycle, but the …
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Olivine is a crucial rock-forming mineral in mafic and ultramafic igneous rocks. Olivine is also a common component of the Earth's mantle, and is considered to be the most abundant mineral on Earth, though not very common on the …
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Evidence for a pressure-induced spin transition in olivine-type LiF ePO 4 triphylite Maribel N´ u˜ nez Valdez, 1, ∗ Ilias Efthimiopoulos, 1, 2, † Michail T aran, 3 Jan M¨ uller, 1, 4 …
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However, we found that dislocation-accommodated grain boundary sliding (DisGBS), rather than dislocation creep, dominates the deformation of olivine under middle …
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Because of its importance in understanding the static and dynamic properties of the Earth's mantle, the olivine to spinel structure transformation is one of the most frequently …
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Frequent magma inputs from deeper reservoirs provide the potential for remobilization and eruption. The records of multiple recharge events in Llaima plagioclase versus an apparent maximum of one such event in …
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In order to understand olivine carbonation under conditions relevant to natural systems, longer-term studies at lower temperatures and without chemical additives are required.
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Olivine is stable and abundant in the Earth's upper mantle, and its transformations may drive large earthquakes deeper in the mantle, as Tomohiro Ohuchi explains. a silicate mineral that can...
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Olivine grows rapidly via concentric addition of open-structured crystal frames, leaving behind compositional boundary layers that subsequently fill-in with Fo–Ni-depleted …
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The phase relations of iron-rich olivine and its high-pressure polymorphs are important for planetary science and meteoritics because these minerals are the main …
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These findings help quantify the incipient processes affecting serpentine soil formation and provide the first known dissolution rate for naturally-weathered olivine in an arid …
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So spin polarization should be considered in the calculation due to the possible ... calculation result fits the experiment fact that the Fe2+ is in the high spin state where natural olivine …
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In this study, we focus on diversely zoned olivine crystals and their spinel inclusions from alkaline basaltic volcanics that are the result of mixing of numerous magmas, crystals …
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In this study, a machine-learning method consisting of the random forest algorithm and the synthetic minority oversampling technique (SMOTE) is used to discriminate the …
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Olivine is a crucial rock-forming mineral in mafic and ultramafic igneous rocks. Olivine is also a common component of the Earth's mantle, and is considered to be the most abundant mineral …
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Frequent magma inputs from deeper reservoirs provide the potential for remobilization and eruption. The records of multiple recharge events in Llaima plagioclase …
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However, we found that dislocation-accommodated grain boundary sliding (DisGBS), rather than dislocation creep, dominates the deformation of olivine under middle and deep upper mantle conditions.
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Considering our DFT results placing a high-spin-to-low-spin transition of Fe2+ close to 72 GPa, we attribute the experimentally observed isostructural transition to a change in the spin state of …
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These findings help quantify the incipient processes affecting serpentine soil formation and provide the first known dissolution rate for naturally-weathered olivine in an arid …
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