Importance of porosity and transfer of matter in the rock weathering processes: two examples in central Spain

Some physical properties (bulk and free porosity, pore size distribution), and the chemical composition and mass balance of two deeply weathered profiles one developed on Hercynian granodiorite and the other on pre-Cambrian slates were studied. Hydric and mercury porosimetry, nitrogen adsorption tec...

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Bibliographic Details
Published in:Environmental earth sciences 2011-12, Vol.64 (7), p.1741-1754
Main Authors: Molina Ballesteros, E., García Talegón, J., Iñigo Iñigo, A. C., González Sánchez, M., Herrero Fernández, H.
Format: Article
Language:English
Subjects:
Biogeosciences
Cambrian
Crystalline rocks
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Environmental Science and Engineering
Exact sciences and technology
Geochemistry
Geological time
Geology
Hydrology/Water Resources
Hydroxides
Igneous and metamorphic rocks petrology, volcanic processes, magmas
Landforms
Marine and continental quaternary
Mercury
Minerals
Neogene
Original Article
Physical properties
Pore size
Porosity
River networks
Rocks
Surficial geology
Terrestrial Pollution
Weathering
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Summary:Some physical properties (bulk and free porosity, pore size distribution), and the chemical composition and mass balance of two deeply weathered profiles one developed on Hercynian granodiorite and the other on pre-Cambrian slates were studied. Hydric and mercury porosimetry, nitrogen adsorption techniques, chemical analyses and XRD techniques were used. On granodiorite, weathering has created increased porosity with a pore diameter
ISSN:1866-6280
1866-6299
DOI:10.1007/s12665-011-1015-y