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Showing 1 to 6 of 6 for “"anhydrite precipitation"”.
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Numerical Modeling of the Hydrothermal System at East Pacific Rise (EPR) 9 Degrees 50' N Including Anhydrite Precipitation
… uncertain. To better understand the effects of anhydrite precipitation on hydrothermal flow paths, we conduct 2-D numerical simulations of hydrothermal circulation at a mid-ocean ridge using a NaCl-H2O numerical code. The simulations focus on East Pacific Rise hydrothermal system at 950N due to …
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A Parameterized Approach to Partitioning Between Focused and Diffuse Heat Output and Modeling Hydrothermal Recharge at The East Pacific Rise 9°50´N
… microseismicity in the oceanic crust I find that anhydrite precipitation is likely to result in rapid sealing of pore space in the recharge zone. This would lead to rapid decay of hydrothermal venting, which is contrary to observations. Then I consider two-dimensional numerical models of …
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Basalt alteration and its consequences
… environments that can drive carbonate mineral precipitation and other secondary mineral formation. The extreme reactivity of basalt, with very fast weathering rates relative to other surface rocks, means that there is great interest in understanding the impact of basalt alteration on the …
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Sedimentology, facies architecture, and diagenesis of the Middle Three Forks Formation - North Dakota, U.S.A.
… precipitated directly from aqueous solutions; anhydrite precipitation and replacement of dolomite; silicification of dolomite rhombs resulting in diagenetic quartz; pyrite framboids, concretions, and disseminated euhedral pyrite crystals; micro-intercrystalline, intercrystalline, …
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Caprock integrity evaluation for geosequestration of CO2 in depleted petroleum reservoirs.
… impure limestone) and sandstone rocks, due to anhydrite precipitation from the injection zone to the reservoir-caprock interface. During cyclic injection and withdrawal of CO2, for all the injection cases, the porosity and permeability of the sandstone reservoir decreased in a few layers …