Levitan, Mikhail A; Girin, Yury P; Luksha, V L; Kubrakova, I V; Roshchina, I A; Sattler, Birgit; Tyutyunnik, O A; Chudetsky, MYu (2011): Composition of sedimentary material from the bottom and the area surrounding the Lake Untersee, East Antarctica [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.811555
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Abstract:
This paper presents data on geographic and geologic conditions of modern sedimentation in the Lake Untersee, the largest lake in the East Antarctica. Geochemical and sedimentation data indicate that the leading mechanism supplying aluminosilicate sedimentary material to the surface layer of bottom sediments is seasonal melting of the Anuchin glacier and the mountain glacier on the southeastern part of the valley hosting the lake. Strongly reduced conditions in the lowermost 25 m of the water column in the smaller of two depressions of the lake bottom were favorable for enrichment of the bottom sediments in bacteriogenic organic matter, Mo, Au, and Pd. H2S-contaminated water results to significant enrichment of the sediments only in redox-sensitive elements that are able to migrate in anionic complexes and precipitate (co-precipitate) as sulfides.
Related to:
Levitan, Mikhail A; Girin, Yury P; Luksha, V L; Kubrakova, I V; Roshchina, I A; Sattler, Birgit; Tyutyunnik, O A; Chudetsky, MYu (2011): Modern sedimentation system of Lake Untersee, East Antarctica. Translated from Geokhimiya, 2011, 49(5), 483-505, Geochemistry International, 49(5), 459-481, https://doi.org/10.1134/S0016702911050077
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: -71.351398 * Median Longitude: 13.434818 * South-bound Latitude: -71.356611 * West-bound Longitude: 13.412028 * North-bound Latitude: -71.341583 * East-bound Longitude: 13.454778
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
9 datasets
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Datasets listed in this publication series
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 2a) Grain size composition of moraine filling material and material from contaminated ice sampled within the Lake Untersee area, East Antarctica. https://doi.org/10.1594/PANGAEA.811510
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 2b) Grain size composition of bottom sediments from the Lake Untersee, East Antarctica. https://doi.org/10.1594/PANGAEA.811511
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 3a) Chemical composition of moraine filling material, material from contaminated ice, and cryosols sampled within the Lake Untersee area, East Antarctica. https://doi.org/10.1594/PANGAEA.811512
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 3b) Chemical composition of bottom sediments from the Lake Untersee, East Antarctica. https://doi.org/10.1594/PANGAEA.811513
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 4a) Relative contents of clay minerals from moraine filling material within the Lake Untersee area, East Antarctica. https://doi.org/10.1594/PANGAEA.811550
- Levitan, MA; Girin, YP; Luksha, VL et al. (2013): (Table 4b) Relative contents of clay minerals from bottom sediments of the Lake Untersee, East Antarctica. https://doi.org/10.1594/PANGAEA.811551
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 6a) REE concentrations in moraine filling material and cryosols within the Lake Untersee area, East Antarctica. https://doi.org/10.1594/PANGAEA.811552
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 6b) REE concentrations in bottom sediments from the Lake Untersee, East Antarctica. https://doi.org/10.1594/PANGAEA.811553
- Levitan, MA; Girin, YP; Luksha, VL et al. (2011): (Table 7) Concentrations of metals and volatile components in bottom sediments from the Lake Untersee, East Antarctica. https://doi.org/10.1594/PANGAEA.811554