Results 81 to 90 of about 25,858 (276)
Abstrak : Peridotite rocks are ultra-alkaline rocks that igneous rocks which high in mineral content of FeO, and also a magnetic mineral. Each rock type has specific properties and characteristics are manifested in the magnetic field in magnetic ...
Sudarningsih Sudarningsih+2 more
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A Model for Melt‐Preferred Orientation and Permeabilities in Deformed Partially Molten Peridotites
In a deforming partially molten rock, melt concentrates into a grain‐scale melt pocket aligned at a preferred orientation (melt‐preferred orientation, or MPO).
Boda Liu+4 more
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“Lab‐Quakes”: Quantifying the Complete Energy Budget of High‐Pressure Laboratory Failure
Abstract Understanding the interplay of various energy sinks during seismic fault slip is essential for advancing earthquake physics and improving hazard assessment. However, quantifying the energy consumed by major dissipative processes remains a challenge.
Daniel Ortega‐Arroyo+7 more
wiley +1 more source
The article considers a chemical variation of accessory and ore-forming chrome spinels from the Kraka ultramafic massif at the different scales, from the deposit to the thin section.
D. E. Saveliev, I. A. Blinov
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Oxygen Isotope Variations of Basaltic Lavas and Upper Mantle Rocks [PDF]
This chapter summarizes the oxygen isotope geochemistry of terrestrial basalts and their mantle sources, including the conceptual framework for interpreting such data and the phenomenology of known variations.
Eiler, John M.
core
We combine density functional theory (DFT) within the local density approximation (LDA), the quasiharmonic approximation (QHA), and a model vibrational density of states (VDoS) to calculate elastic moduli and sound velocities of gamma-[Fe_x,Mg_(1-x ...
Abramson+59 more
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Elastic properties of silicate melts: Implications for low velocity zones at the lithosphere-asthenosphere boundary. [PDF]
Low seismic velocity regions in the mantle and crust are commonly attributed to the presence of silicate melts. Determining melt volume and geometric distribution is fundamental to understanding planetary dynamics.
Clark, Alisha N, Lesher, Charles E
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Notes on the peridotite of Elliott County, Kentucky [PDF]
n ...
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Geodynamic Information in Peridotite Petrology [PDF]
Systematic differences are observed in the petrology and major element geochemistry of natural peridotite samples from the sea floor near oceanic ridges and subduction zones, the mantle section of ophiolites, massif peridotites, and xenoliths of cratonic mantle in kimberlite.
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Phase Relations in the MgSiO3 System Associated With Hot Mantle Upwelling Across the 660 km Depth
Abstract The phase transformations of MgSiO3 bridgmanite control the structure, dynamics and chemistry of the Earth's mantle. Formation of bridgmanite occurs at a depth of about 660 km causing the strong and abrupt seismic discontinuity. Previous experimental studies have revealed that this discontinuity is caused by ringwoodite dissociation in the ...
Artem Chanyshev+12 more
wiley +1 more source