File:Pachic Paleustoll (fine, mixed, active, isohyperthermic) (5140650322).jpg

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Description This profile was photographed in the western lowlands of Ecuador. The site is on a nearly level terrace. The soil is formed in a succession of recent and very old volcanic ash deposits. Evidence of andic materials normally associated with volcanic ash is lacking. Presumably the amorphous (short range ordered) materials present in volcanic ash have weathered and recrystallized to clay, of which halloysite is abundant but not dominate. The entire profile has a base saturation percentage between 66 and 79. A thick argillic horizon below 77 cm with clay content over 35 percent to over 165 cm underlies a loam textured mollic epipedon that is over 50 cm thick thus the classification of Pale great group and Pachic subgroup, respectively. Although the site is vegetated by tropical forest adjacent land on like soil is intensely cultivated.
Date
Source Pachic Paleustoll (fine, mixed, active, isohyperthermic)
Author Soil Science from Raleigh

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by SoilScience.info at https://flickr.com/photos/22503286@N06/5140650322 (archive). It was reviewed on 14 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

14 December 2019

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current20:35, 14 December 2019Thumbnail for version as of 20:35, 14 December 20191,077 × 1,199 (268 KB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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