Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake
A 100 cm long sediment sequence was recovered from Beaver Lake in Amery Oasis, East Antarctica, using gravity and piston corers. Sedimentological and mineralogical analyses and the absence of micro and macrofossils indicate that the sediments at the base of the sequence formed under glacial conditio...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.772616 2023-05-15T13:55:14+02:00 Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake Wagner, Bernd Hultzsch, Nadja Melles, Martin Gore, Damian B LATITUDE: -70.795930 * LONGITUDE: 68.197660 * DATE/TIME START: 2002-02-05T00:00:00 * DATE/TIME END: 2002-02-05T00:00:00 * MINIMUM DEPTH, sediment/rock: 0.01 m * MAXIMUM DEPTH, sediment/rock: 0.98 m 2011-12-10 text/tab-separated-values, 192 data points https://doi.pangaea.de/10.1594/PANGAEA.772616 https://doi.org/10.1594/PANGAEA.772616 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.772616 https://doi.org/10.1594/PANGAEA.772616 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Wagner, Bernd; Hultzsch, Nadja; Melles, Martin; Gore, Damian B (2007): Indications of Holocene sea-level rise in Beaver Lake, East Antarctica. Antarctic Science, 19(1), 125-128, https://doi.org/10.1017/S095410200700017X AmeryOasis2001/2002 Beaver Lake Amery Oasis East Antarctica Carbon total COMPCORE Composite Core DEPTH sediment/rock Kalifeldspar Lz1013 Mica Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas Quartz Sampling/drilling in lake Sand Silt Size fraction < 0.002 mm clay Size fraction > 2 mm gravel SPP1158 Water content wet mass Dataset 2011 ftpangaea https://doi.org/10.1594/PANGAEA.772616 https://doi.org/10.1017/S095410200700017X 2023-01-20T08:52:57Z A 100 cm long sediment sequence was recovered from Beaver Lake in Amery Oasis, East Antarctica, using gravity and piston corers. Sedimentological and mineralogical analyses and the absence of micro and macrofossils indicate that the sediments at the base of the sequence formed under glacial conditions, probably prior to c. 12 500 cal. yr BP. The sediments between c. 81 and 31 cm depth probably formed under subaerial conditions, indicating that isostatic uplift since deglaciation has been substantially less than eustatic sea-level rise and that large areas of the present-day floor of Beaver Lake must have been subaerially exposed following deglaciation. The upper 31 cm of the sediment sequence were deposited under glaciomarine conditions similar to those of today, supporting geomorphic observations that the Holocene was a period of relative sea-level highstand in Amery Oasis. Dataset Antarc* Antarctic Antarctic Science Antarctica Arctic East Antarctica Sea ice PANGAEA - Data Publisher for Earth & Environmental Science Amery ENVELOPE(-94.063,-94.063,56.565,56.565) Antarctic Arctic Beaver Lake ENVELOPE(68.295,68.295,-70.793,-70.793) East Antarctica ENVELOPE(68.197660,68.197660,-70.795930,-70.795930) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
AmeryOasis2001/2002 Beaver Lake Amery Oasis East Antarctica Carbon total COMPCORE Composite Core DEPTH sediment/rock Kalifeldspar Lz1013 Mica Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas Quartz Sampling/drilling in lake Sand Silt Size fraction < 0.002 mm clay Size fraction > 2 mm gravel SPP1158 Water content wet mass |
spellingShingle |
AmeryOasis2001/2002 Beaver Lake Amery Oasis East Antarctica Carbon total COMPCORE Composite Core DEPTH sediment/rock Kalifeldspar Lz1013 Mica Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas Quartz Sampling/drilling in lake Sand Silt Size fraction < 0.002 mm clay Size fraction > 2 mm gravel SPP1158 Water content wet mass Wagner, Bernd Hultzsch, Nadja Melles, Martin Gore, Damian B Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake |
topic_facet |
AmeryOasis2001/2002 Beaver Lake Amery Oasis East Antarctica Carbon total COMPCORE Composite Core DEPTH sediment/rock Kalifeldspar Lz1013 Mica Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas Quartz Sampling/drilling in lake Sand Silt Size fraction < 0.002 mm clay Size fraction > 2 mm gravel SPP1158 Water content wet mass |
description |
A 100 cm long sediment sequence was recovered from Beaver Lake in Amery Oasis, East Antarctica, using gravity and piston corers. Sedimentological and mineralogical analyses and the absence of micro and macrofossils indicate that the sediments at the base of the sequence formed under glacial conditions, probably prior to c. 12 500 cal. yr BP. The sediments between c. 81 and 31 cm depth probably formed under subaerial conditions, indicating that isostatic uplift since deglaciation has been substantially less than eustatic sea-level rise and that large areas of the present-day floor of Beaver Lake must have been subaerially exposed following deglaciation. The upper 31 cm of the sediment sequence were deposited under glaciomarine conditions similar to those of today, supporting geomorphic observations that the Holocene was a period of relative sea-level highstand in Amery Oasis. |
format |
Dataset |
author |
Wagner, Bernd Hultzsch, Nadja Melles, Martin Gore, Damian B |
author_facet |
Wagner, Bernd Hultzsch, Nadja Melles, Martin Gore, Damian B |
author_sort |
Wagner, Bernd |
title |
Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake |
title_short |
Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake |
title_full |
Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake |
title_fullStr |
Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake |
title_full_unstemmed |
Fig. 2. Lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence Lz1013 from south-western Beaver Lake |
title_sort |
fig. 2. lithology, water and total carbon content, cumulative grain-size distribution, and quartz, feldspar, and mica contents of core sequence lz1013 from south-western beaver lake |
publisher |
PANGAEA |
publishDate |
2011 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.772616 https://doi.org/10.1594/PANGAEA.772616 |
op_coverage |
LATITUDE: -70.795930 * LONGITUDE: 68.197660 * DATE/TIME START: 2002-02-05T00:00:00 * DATE/TIME END: 2002-02-05T00:00:00 * MINIMUM DEPTH, sediment/rock: 0.01 m * MAXIMUM DEPTH, sediment/rock: 0.98 m |
long_lat |
ENVELOPE(-94.063,-94.063,56.565,56.565) ENVELOPE(68.295,68.295,-70.793,-70.793) ENVELOPE(68.197660,68.197660,-70.795930,-70.795930) |
geographic |
Amery Antarctic Arctic Beaver Lake East Antarctica |
geographic_facet |
Amery Antarctic Arctic Beaver Lake East Antarctica |
genre |
Antarc* Antarctic Antarctic Science Antarctica Arctic East Antarctica Sea ice |
genre_facet |
Antarc* Antarctic Antarctic Science Antarctica Arctic East Antarctica Sea ice |
op_source |
Supplement to: Wagner, Bernd; Hultzsch, Nadja; Melles, Martin; Gore, Damian B (2007): Indications of Holocene sea-level rise in Beaver Lake, East Antarctica. Antarctic Science, 19(1), 125-128, https://doi.org/10.1017/S095410200700017X |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.772616 https://doi.org/10.1594/PANGAEA.772616 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.772616 https://doi.org/10.1017/S095410200700017X |
_version_ |
1766261553644961792 |