Brecciation textures and tepee structures in Quaternary calcrete (caliche) profiles from eastern Spain: The plant factor in their formation

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Abstract
Field studies of brecciation textures and tepee structures in Quaternary calcretes from eastern Spain reveal that vegetation plays a fundamental role in their formation, alteration and destruction. Biophysical and biochemical activities of higher plant systems produce brecciation textures and some tepee structures. Brecciation of indurated calcrete profiles form rhizo‐breccias which may be used as indicators of terrestrial conditions in ancient successions.