Geochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica
Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, mineralogy and particle analysis) were carried out on sediments from seven lakes on Fildes Peninsula, King George Island. The resulting compositional dataset was subjected to principal component analysis a...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Juan A Alfonso [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Antarctic science - Cambridge [u.a.] : Cambridge Univ. Press, 1989, 27(2015), 5, Seite 462 |
|---|---|
| Übergeordnetes Werk: |
volume:27 ; year:2015 ; number:5 ; pages:462 |
| Links: |
|---|
| DOI / URN: |
10.1017/S0954102015000127 |
|---|
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OLC1958279897 |
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| 520 | |a Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, mineralogy and particle analysis) were carried out on sediments from seven lakes on Fildes Peninsula, King George Island. The resulting compositional dataset was subjected to principal component analysis and cluster analysis. The results showed that four different lacustrine sedimentary environments can be distinguished: i) lakes 1 and 2 with relatively high values of secondary aluminous clay minerals, ii) lake 4 with anthropogenic enrichment of Co, Cu and Zn, iii) lake 7 with relatively high values of Ba and P and a high zeolite content, and iv) all the other studied lakes. Our results indicate moderate chemical weathering in all lacustrine sediments and that the distance to the glacial ice margin is one of the most important factors influencing the chemical weathering in the area. Furthermore, depositional processes have little influence on the geochemistry of the investigated elements and that local bedrock is the main source of sediments in the lakes on Fildes Peninsula. | ||
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10.1017/S0954102015000127 doi PQ20160617 (DE-627)OLC1958279897 (DE-599)GBVOLC1958279897 (PRQ)p1116-79bfac04e17a7548b0391554bc24ac1a39e9a1ff5a003c464f58a2d81af2f2e40 (KEY)0177089620150000027000500462geochemistryofrecentlacustrinesedimentsfromfildesp DE-627 ger DE-627 rakwb eng 570 500 910 DNB BIODIV fid Juan A Alfonso verfasserin aut Geochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, mineralogy and particle analysis) were carried out on sediments from seven lakes on Fildes Peninsula, King George Island. The resulting compositional dataset was subjected to principal component analysis and cluster analysis. The results showed that four different lacustrine sedimentary environments can be distinguished: i) lakes 1 and 2 with relatively high values of secondary aluminous clay minerals, ii) lake 4 with anthropogenic enrichment of Co, Cu and Zn, iii) lake 7 with relatively high values of Ba and P and a high zeolite content, and iv) all the other studied lakes. Our results indicate moderate chemical weathering in all lacustrine sediments and that the distance to the glacial ice margin is one of the most important factors influencing the chemical weathering in the area. Furthermore, depositional processes have little influence on the geochemistry of the investigated elements and that local bedrock is the main source of sediments in the lakes on Fildes Peninsula. chemical weathering South Shetlands Islands comprehensive geochemical characterization lake sediments Yaneth Vasquez oth Ana C Hernandez oth Abrahan Mora oth Helga Handt oth Eloy Sira oth Enthalten in Antarctic science Cambridge [u.a.] : Cambridge Univ. Press, 1989 27(2015), 5, Seite 462 (DE-627)130804002 (DE-600)1009128-2 (DE-576)103115250 0954-1020 nnns volume:27 year:2015 number:5 pages:462 http://dx.doi.org/10.1017/S0954102015000127 Volltext http://search.proquest.com/docview/1709468243 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-ARC SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_154 AR 27 2015 5 462 |
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Geochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica |
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Geochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica |
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Juan A Alfonso |
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Antarctic science |
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Antarctic science |
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2015 |
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Juan A Alfonso |
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570 500 910 |
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geochemistry of recent lacustrine sediments from fildes peninsula, king george island, maritime antarctica |
| title_auth |
Geochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica |
| abstract |
Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, mineralogy and particle analysis) were carried out on sediments from seven lakes on Fildes Peninsula, King George Island. The resulting compositional dataset was subjected to principal component analysis and cluster analysis. The results showed that four different lacustrine sedimentary environments can be distinguished: i) lakes 1 and 2 with relatively high values of secondary aluminous clay minerals, ii) lake 4 with anthropogenic enrichment of Co, Cu and Zn, iii) lake 7 with relatively high values of Ba and P and a high zeolite content, and iv) all the other studied lakes. Our results indicate moderate chemical weathering in all lacustrine sediments and that the distance to the glacial ice margin is one of the most important factors influencing the chemical weathering in the area. Furthermore, depositional processes have little influence on the geochemistry of the investigated elements and that local bedrock is the main source of sediments in the lakes on Fildes Peninsula. |
| abstractGer |
Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, mineralogy and particle analysis) were carried out on sediments from seven lakes on Fildes Peninsula, King George Island. The resulting compositional dataset was subjected to principal component analysis and cluster analysis. The results showed that four different lacustrine sedimentary environments can be distinguished: i) lakes 1 and 2 with relatively high values of secondary aluminous clay minerals, ii) lake 4 with anthropogenic enrichment of Co, Cu and Zn, iii) lake 7 with relatively high values of Ba and P and a high zeolite content, and iv) all the other studied lakes. Our results indicate moderate chemical weathering in all lacustrine sediments and that the distance to the glacial ice margin is one of the most important factors influencing the chemical weathering in the area. Furthermore, depositional processes have little influence on the geochemistry of the investigated elements and that local bedrock is the main source of sediments in the lakes on Fildes Peninsula. |
| abstract_unstemmed |
Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, mineralogy and particle analysis) were carried out on sediments from seven lakes on Fildes Peninsula, King George Island. The resulting compositional dataset was subjected to principal component analysis and cluster analysis. The results showed that four different lacustrine sedimentary environments can be distinguished: i) lakes 1 and 2 with relatively high values of secondary aluminous clay minerals, ii) lake 4 with anthropogenic enrichment of Co, Cu and Zn, iii) lake 7 with relatively high values of Ba and P and a high zeolite content, and iv) all the other studied lakes. Our results indicate moderate chemical weathering in all lacustrine sediments and that the distance to the glacial ice margin is one of the most important factors influencing the chemical weathering in the area. Furthermore, depositional processes have little influence on the geochemistry of the investigated elements and that local bedrock is the main source of sediments in the lakes on Fildes Peninsula. |
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| title_short |
Geochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica |
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http://dx.doi.org/10.1017/S0954102015000127 http://search.proquest.com/docview/1709468243 |
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Yaneth Vasquez Ana C Hernandez Abrahan Mora Helga Handt Eloy Sira |
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2024-07-04T02:28:46.176Z |
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