globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.epsl.2017.12.024
Scopus记录号: 2-s2.0-85044741321
论文题名:
On mass transport in porosity waves
作者: Jordan J.S.; Hesse M.A.; Rudge J.F.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2018
卷: 485
起始页码: 65
结束页码: 78
语种: 英语
英文关键词: chromatography ; fluid migration ; magma dynamics ; melt migration ; solitary wave ; trace element
Scopus关键词: Chromatography ; Flow patterns ; Geochemistry ; Liquid chromatography ; Mechanical permeability ; Porous materials ; Solitons ; Trace elements ; Chromatographic separations ; Dividing streamline ; Fluid migration ; Geochemical signatures ; Geological porous media ; Incompatible element ; Magma dynamics ; Melt migration ; Porosity ; chromatography ; hydrochemistry ; magma ; mass transport ; partial melting ; porosity ; porous medium ; solitary wave ; trace element
英文摘要: Porosity waves arise naturally from the equations describing fluid migration in ductile rocks. Here, we show that higher-dimensional porosity waves can transport mass and therefore preserve geochemical signatures, at least partially. Fluid focusing into these high porosity waves leads to recirculation in their center. This recirculating fluid is separated from the background flow field by a circular dividing streamline and transported with the phase velocity of the porosity wave. Unlike models for one-dimensional chromatography in geological porous media, tracer transport in higher-dimensional porosity waves does not produce chromatographic separations between relatively incompatible elements due to the circular flow pattern. This may allow melt that originated from the partial melting of fertile heterogeneities or fluid produced during metamorphism to retain distinct geochemical signatures as they rise buoyantly towards the surface. © 2017 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110040
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: The University of Texas at Austin, Department of Geological Sciences, 2305 Speedway Stop C1160, Austin, TX 78712-1692, United States; The University of Texas at Austin, Institute for Computational Engineering and Sciences, 201 E 24th Street, Stop 0200, Austin, TX 78712-1229, United States; Bullard Laboratories, Department of Earth Sciences, University of Cambridge, Madingley Road, Cambridge, CB3 0EZ, United Kingdom; Yale University, Department of Geology and Geophysics, 210 Whitney Avenue, New Haven, CT 06511, United States

Recommended Citation:
Jordan J.S.,Hesse M.A.,Rudge J.F.. On mass transport in porosity waves[J]. Earth and Planetary Science Letters,2018-01-01,485
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