Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 11, issue 3
Articles | Volume 11, issue 3
https://doi.org/10.5194/esurf-11-511-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/esurf-11-511-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 3
Research article
 | 
22 Jun 2023
Research article |  | 22 Jun 2023

Feedbacks between the formation of secondary minerals and the infiltration of fluids into the regolith of granitic rocks in different climatic zones (Chilean Coastal Cordillera)

Ferdinand J. Hampl, Ferry Schiperski, Christopher Schwerdhelm, Nicole Stroncik, Casey Bryce, Friedhelm von Blanckenburg, and Thomas Neumann

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Short summary
We investigated the mineral content and geochemical composition of the upper 6 m of regolith, formed by weathering of granitic rocks in Mediterranean and humid climate zones. We found that the development of the upper regolith in the Mediterranean climate is controlled by secondary minerals which cause fracturing and thus facilitate fluid infiltration to depth. The upper regolith in the humid climate is controlled by secondary minerals that cause a reduction of fluid infiltration to depth.
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Earth surface shaping by biota (ESurf/BG/ESD/ESSD/SOIL inter-journal...