Data

Glacial history of the Framnes Mountains, East Antarctica.

Australian Antarctic Division

Gore, D. ; GORE, DAMIAN

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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.aad.gov.au/metadata/ASAC_1332&rft.title=Glacial history of the Framnes Mountains, East Antarctica.&rft.identifier=http://data.aad.gov.au/metadata/ASAC_1332&rft.publisher=Australian Antarctic Data Centre&rft.description=Geological evidence from the Framnes Mountain, East Antarctica, will reveal changes in ice thickness from the Last Glacial Maximum 20,000 years ago to the present. A computer simulation of changes in ice thickness will show how the ice sheet interacts with climate and sea level, which is important for predicting future changes. Cosmogenic isotope samples were taken from 29 locations including Welch Island (1 sample), Mawson area (1 sample), Mt Henderson area (7 samples), and the northern (13 samples), central (3 samples) and southern (2 samples) Masson ranges. No samples were taken from the Casey Range or the David Range (with the exception of the Mt Hordern area (2 samples). Mapping of the glacial geology was undertaken - few trimlines were evident and moraines where present consisted dominantly of local lithologies. The glacial clasts sampled for cosmogenic isotope analysis were felsic erratics perched on or near to stable hilltop surfaces, with clear sky exposure (conditions ideal for cosmogenic isotope dating).Sediment analyses to support interpretations of the glacial history are being undertaken in 2004-2005.The fields in this dataset are:SiteLocationAltitudeErraticRockGravelSandSaltSchmidt HammerWeatheringProgress Code: completedStatement: Cosmogenic isotope analyses - The samples taken were almost uniformly of a high quality (conditions ideal for cosmogenic isotope dating). Details of the dating undertaken will be posted once sample processing has occurred and accelerator targets have been run. Sedimentology - will consist of grain size analyses (Malvern laser sizer and settling tube), elemental analyses (XRF) and clay fraction analysis (XRD) to be made public domain following thesis production at start of 2006. Surface weathering - data were collected according to the Moriwaki scheme. &rft.creator=Gore, D. &rft.creator=GORE, DAMIAN &rft.date=2001&rft.coverage=westlimit=62.0; southlimit=-69.0; eastlimit=64.0; northlimit=-67.0&rft.coverage=westlimit=62.0; southlimit=-69.0; eastlimit=64.0; northlimit=-67.0&rft.coverage=uplimit=1450; downlimit=0&rft.coverage=uplimit=1450; downlimit=0&rft_rights= These data are publicly available from the provided URL. &rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights= This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference at the provided http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1332 when using these data. &rft_rights=This metadata record is publicly available.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=geoscientificInformation&rft_subject=inlandWaters&rft_subject=EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIERS&rft_subject=EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > ICE DEPTH/THICKNESS&rft_subject=EARTH SCIENCE > PALEOCLIMATE > LAND RECORDS > GLACIATION&rft_subject=ALTITUDE&rft_subject=COSMOGENIC ISOTOPE DATING&rft_subject=ERRATIC&rft_subject=GEOLOGY&rft_subject=GLACIAL MAXIMUM&rft_subject=GLACIATION&rft_subject=GRAVEL&rft_subject=ICE THICKNESS&rft_subject=LOCATION&rft_subject=NUMERICAL MODELING&rft_subject=PALAEOCLIMATE&rft_subject=ROCK&rft_subject=SALT&rft_subject=SAND&rft_subject=SCHMIDT HAMMER&rft_subject=SITE&rft_subject=WEATHERING&rft_subject=FIELD SURVEYS&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=CONTINENT > ANTARCTICA > Framnes Mountains&rft_subject=CONTINENT > ANTARCTICA > Kemp Land offshore islands&rft_subject=CONTINENT > ANTARCTICA > Welch Island&rft_subject=CONTINENT > ANTARCTICA > Mawson&rft_subject=CONTINENT > ANTARCTICA > Mt Henderson&rft_subject=CONTINENT > ANTARCTICA > North Masson Range&rft_subject=CONTINENT > ANTARCTICA > South Masson Range&rft_subject=CONTINENT > ANTARCTICA > Central Masson Range&rft_subject=CONTINENT > ANTARCTICA > Mt Hordern&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data

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Attribution 4.0 International (CC BY 4.0)
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These data are publicly available from the provided URL.

This data set conforms to the CCBY Attribution License
(http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference at the provided http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1332 when using these data.

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Full description

Geological evidence from the Framnes Mountain, East Antarctica, will reveal changes in ice thickness from the Last Glacial Maximum 20,000 years ago to the present. A computer simulation of changes in ice thickness will show how the ice sheet interacts with climate and sea level, which is important for predicting future changes.

Cosmogenic isotope samples were taken from 29 locations including Welch Island (1 sample), Mawson area (1 sample), Mt Henderson area (7 samples), and the northern (13 samples), central (3 samples) and southern (2 samples) Masson ranges. No samples were taken from the Casey Range or the David Range (with the exception of the Mt Hordern area (2 samples). Mapping of the glacial geology was undertaken - few trimlines were evident and moraines where present consisted dominantly of local lithologies. The glacial clasts sampled for cosmogenic isotope analysis were felsic erratics perched on or near to stable hilltop surfaces, with clear sky exposure (conditions ideal for cosmogenic isotope dating).

Sediment analyses to support interpretations of the glacial history are being undertaken in 2004-2005.

The fields in this dataset are:

Site
Location
Altitude
Erratic
Rock
Gravel
Sand
Salt
Schmidt Hammer
Weathering

Lineage

Progress Code: completed

Statement: Cosmogenic isotope analyses - The samples taken were almost uniformly of a high quality (conditions ideal for cosmogenic isotope dating). Details of the dating undertaken will be posted once sample processing has occurred and accelerator targets have been run. Sedimentology - will consist of grain size analyses (Malvern laser sizer and settling tube), elemental analyses (XRF) and clay fraction analysis (XRD) to be made public domain following thesis production at start of 2006. Surface weathering - data were collected according to the Moriwaki scheme.

Data time period: 2001-11-15 to 2002-02-28

This dataset is part of a larger collection

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text: westlimit=62.0; southlimit=-69.0; eastlimit=64.0; northlimit=-67.0

text: uplimit=1450; downlimit=0

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url : http://data.aad.gov.au/aadc/portal/download_file.cfm?file_id=1497 External Link

Public information for ASAC project 1332 (PROJECT HOME PAGE)

url : https://projects.aad.gov.au/search_projects_results.cfm?project_no=1332 External Link

Citation reference for this metadata record and dataset (VIEW RELATED INFORMATION)

url : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1332 External Link

Identifiers

global : ASAC_1332