Mineralogy and chemical composition of Cryosols and Andosols in Antarctica
Variations in mineralogical and elemental composition of Turbic Cryosol (King George Island and James Ross Island), Skeletic Cryosol (J. Ross Island, the Trinity Peninsula), Leptic Andosols (Deception Island), and Skeletic Andosols (Deception Island) were studied. Significant differences in mineralo...
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Czech Academy of Agricultural Sciences
2018
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ftdoajarticles:oai:doaj.org/article:c0a0727d5e7e4ce1a536e3aefaf7226b 2023-05-15T13:54:41+02:00 Mineralogy and chemical composition of Cryosols and Andosols in Antarctica Vítězslav VLČEK Ľubica POSPÍŠILOVÁ Peter UHLÍK 2018-06-01T00:00:00Z https://doi.org/10.17221/231/2016-SWR https://doaj.org/article/c0a0727d5e7e4ce1a536e3aefaf7226b EN eng Czech Academy of Agricultural Sciences https://swr.agriculturejournals.cz/artkey/swr-201802-0001_mineralogy-and-chemical-composition-of-cryosols-and-andosols-in-antarctica.php https://doaj.org/toc/1801-5395 https://doaj.org/toc/1805-9384 1801-5395 1805-9384 doi:10.17221/231/2016-SWR https://doaj.org/article/c0a0727d5e7e4ce1a536e3aefaf7226b Soil and Water Research, Vol 13, Iss 2, Pp 61-73 (2018) king george island deception island james ross island weathering mineralogical composition clay mineral Agriculture S article 2018 ftdoajarticles https://doi.org/10.17221/231/2016-SWR 2023-02-26T01:34:06Z Variations in mineralogical and elemental composition of Turbic Cryosol (King George Island and James Ross Island), Skeletic Cryosol (J. Ross Island, the Trinity Peninsula), Leptic Andosols (Deception Island), and Skeletic Andosols (Deception Island) were studied. Significant differences in mineralogical composition in size fraction, vertical and horizontal position were determined by X-ray diffraction quantitative analysis. The differences were attributed to a variable degree of chemical weathering process. As a product of weathering were defined montmorillonite, chlorite, microcrystalline polymorphous silica, Fe oxides, and oxyhydroxides. Their content was increased towards the surface and in a finer fraction. Crystal thickness and size distribution of montmorillonite was measured by the Bertaut-Warren-Averbach technique and the results confirmed higher intensity of chemical weathering in Turbic Cryosols (J. Ross Island and King George Island). Feldspars and volcanic glass were the main phases found in soil samples from Deception Island. They were determined as phases of parent rock and indicated low intensity of chemical weathering. Clinoptilolite was identified in soil samples from J. Ross Island and Deception Islad and its hydrothermal origin was supposed. Soil (sample AP) from Base General Bernardo O'Higgins Riquelme had significantly higher content of phosphate minerals, which was a result of ornithogenic activities. Macro elements content was consistent with mineralogical analyses. Turbic Cryosols were rich in iron, aluminium, magnesium, and manganese (> 2%). Skeletic Cryosols contained also iron, aluminium, magnesium, manganese, calcium, and sulphur (> 1%). Leptic Andosols were rich in iron and aluminium (> 2%). Soil properties and humic substances quality were evaluted. Results of chemical and physical analyses indicated that poorly developed soils of Antarctica varied in acidity, conductivity, humus content, and texture. Humic substances content and quality were low. Mainly mechanical ... Article in Journal/Newspaper Antarc* Antarctica Deception Island James Ross Island King George Island Ross Island Directory of Open Access Journals: DOAJ Articles King George Island Ross Island Deception Island ENVELOPE(-60.633,-60.633,-62.950,-62.950) Trinity Peninsula ENVELOPE(-58.000,-58.000,-63.500,-63.500) Riquelme ENVELOPE(-63.583,-63.583,-65.083,-65.083) General Bernardo O'Higgins ENVELOPE(-57.900,-57.900,-63.317,-63.317) Soil and Water Research 13 2 61 73 |
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Directory of Open Access Journals: DOAJ Articles |
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topic |
king george island deception island james ross island weathering mineralogical composition clay mineral Agriculture S |
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king george island deception island james ross island weathering mineralogical composition clay mineral Agriculture S Vítězslav VLČEK Ľubica POSPÍŠILOVÁ Peter UHLÍK Mineralogy and chemical composition of Cryosols and Andosols in Antarctica |
topic_facet |
king george island deception island james ross island weathering mineralogical composition clay mineral Agriculture S |
description |
Variations in mineralogical and elemental composition of Turbic Cryosol (King George Island and James Ross Island), Skeletic Cryosol (J. Ross Island, the Trinity Peninsula), Leptic Andosols (Deception Island), and Skeletic Andosols (Deception Island) were studied. Significant differences in mineralogical composition in size fraction, vertical and horizontal position were determined by X-ray diffraction quantitative analysis. The differences were attributed to a variable degree of chemical weathering process. As a product of weathering were defined montmorillonite, chlorite, microcrystalline polymorphous silica, Fe oxides, and oxyhydroxides. Their content was increased towards the surface and in a finer fraction. Crystal thickness and size distribution of montmorillonite was measured by the Bertaut-Warren-Averbach technique and the results confirmed higher intensity of chemical weathering in Turbic Cryosols (J. Ross Island and King George Island). Feldspars and volcanic glass were the main phases found in soil samples from Deception Island. They were determined as phases of parent rock and indicated low intensity of chemical weathering. Clinoptilolite was identified in soil samples from J. Ross Island and Deception Islad and its hydrothermal origin was supposed. Soil (sample AP) from Base General Bernardo O'Higgins Riquelme had significantly higher content of phosphate minerals, which was a result of ornithogenic activities. Macro elements content was consistent with mineralogical analyses. Turbic Cryosols were rich in iron, aluminium, magnesium, and manganese (> 2%). Skeletic Cryosols contained also iron, aluminium, magnesium, manganese, calcium, and sulphur (> 1%). Leptic Andosols were rich in iron and aluminium (> 2%). Soil properties and humic substances quality were evaluted. Results of chemical and physical analyses indicated that poorly developed soils of Antarctica varied in acidity, conductivity, humus content, and texture. Humic substances content and quality were low. Mainly mechanical ... |
format |
Article in Journal/Newspaper |
author |
Vítězslav VLČEK Ľubica POSPÍŠILOVÁ Peter UHLÍK |
author_facet |
Vítězslav VLČEK Ľubica POSPÍŠILOVÁ Peter UHLÍK |
author_sort |
Vítězslav VLČEK |
title |
Mineralogy and chemical composition of Cryosols and Andosols in Antarctica |
title_short |
Mineralogy and chemical composition of Cryosols and Andosols in Antarctica |
title_full |
Mineralogy and chemical composition of Cryosols and Andosols in Antarctica |
title_fullStr |
Mineralogy and chemical composition of Cryosols and Andosols in Antarctica |
title_full_unstemmed |
Mineralogy and chemical composition of Cryosols and Andosols in Antarctica |
title_sort |
mineralogy and chemical composition of cryosols and andosols in antarctica |
publisher |
Czech Academy of Agricultural Sciences |
publishDate |
2018 |
url |
https://doi.org/10.17221/231/2016-SWR https://doaj.org/article/c0a0727d5e7e4ce1a536e3aefaf7226b |
long_lat |
ENVELOPE(-60.633,-60.633,-62.950,-62.950) ENVELOPE(-58.000,-58.000,-63.500,-63.500) ENVELOPE(-63.583,-63.583,-65.083,-65.083) ENVELOPE(-57.900,-57.900,-63.317,-63.317) |
geographic |
King George Island Ross Island Deception Island Trinity Peninsula Riquelme General Bernardo O'Higgins |
geographic_facet |
King George Island Ross Island Deception Island Trinity Peninsula Riquelme General Bernardo O'Higgins |
genre |
Antarc* Antarctica Deception Island James Ross Island King George Island Ross Island |
genre_facet |
Antarc* Antarctica Deception Island James Ross Island King George Island Ross Island |
op_source |
Soil and Water Research, Vol 13, Iss 2, Pp 61-73 (2018) |
op_relation |
https://swr.agriculturejournals.cz/artkey/swr-201802-0001_mineralogy-and-chemical-composition-of-cryosols-and-andosols-in-antarctica.php https://doaj.org/toc/1801-5395 https://doaj.org/toc/1805-9384 1801-5395 1805-9384 doi:10.17221/231/2016-SWR https://doaj.org/article/c0a0727d5e7e4ce1a536e3aefaf7226b |
op_doi |
https://doi.org/10.17221/231/2016-SWR |
container_title |
Soil and Water Research |
container_volume |
13 |
container_issue |
2 |
container_start_page |
61 |
op_container_end_page |
73 |
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1766260755475202048 |