Pleistocene–Holocene cover-beds on granite regolith as parent material for Podzols — An example from the Sudeten Mountains

Jarosław Waroszewski , Krzysztof Kaliński , Małgorzata Malkiewicz , Ryszard Mazurek , Grzegorz Kozłowski , Cezary Kabala


Pleistocene periglacial cover-beds have been considered to be the proper parent material of soils in the medium mountains of the Central Europe and in other areas influenced by the periglacial conditions. The concept high-lights an importance of solifluction and cryoturbation phenomena, and an addition of aeolian silt (loess) in the formation of cover-beds. Significant loess admixture may, however, hinder podzolization process. The objective of the present study was to recognize the stratification of slope materials in the upper zone (1000–1200 m ASL) of the Sudeten Mts. (SW Poland) and its relation to the morphology and properties of Podzols. Mineralogical and submicromorphological analyzes confirmed autochthonous origin of the parent materials and excluded loess admixture. Macro- and micro-observations proved periglacial formation of deeper beds, while the pollen analysis confirmed the Holocene age of an uppermost sand layer. Finally, four-partial mineral sequences were distinguished in soil profiles: (1) an underlying granite regolith (not always present within the stan-dard soil pit), (2) a basal periglacial layer formed by solifluction, (3) a cryoturbated transitional zone instead of typical intermediate periglacial layer, (4) an uppermost sandy (or a sandy–silty) layer instead of the upper periglacial layer. Modification of periglacial cover-bed series by replacing of the silty “upper periglacial layer”with sandy Holocene cover allowed Podzol formation under favorable climate conditions. The same palynological and micromorphological observations confirmed polygenetic nature of Podzols. The present-day Bh horizon is in fact a humus layer of a late Pleistocene–early Holocene brown earth buried under a sandy cover. An albic horizon thickness and its lower boundary are therefore related to the litholog-ical discontinuity in the cover-bed series.
Author Jarosław Waroszewski
Jarosław Waroszewski,,
, Krzysztof Kaliński
Krzysztof Kaliński,,
, Małgorzata Malkiewicz
Małgorzata Malkiewicz,,
, Ryszard Mazurek (FoAE / DoSSaSP)
Ryszard Mazurek,,
- Department of Soil Science and Soil Protection
, Grzegorz Kozłowski
Grzegorz Kozłowski,,
, Cezary Kabala
Cezary Kabala,,
Journal seriesCatena, ISSN 0341-8162, (A 35 pkt)
Issue year2013
Publication size in sheets0.6
Keywords in EnglishSoil micromorphology, Heavy minerals, Pollen analysis, Lithological discontinuity, Polygenetic soils
ASJC Classification1904 Earth-Surface Processes
Internal identifierWRE/2013/134
Languageen angielski
Score (nominal)35
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2013 = 1.703; WoS Impact Factor: 2013 = 2.482 (2) - 2013=3.007 (5)
Citation count*17 (2016-09-12)
Additional fields
FinansowanieResearch project number NN310 435938 was supported by the Ministry of Science and Higher Education of Poland
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