Data

Glacial history of the Framnes Mountains, East Antarctica.

Australian Antarctic Data Centre
GORE, DAMIAN
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.4225/15/55DFBBEEE3F5C&rft.title=Glacial history of the Framnes Mountains, East Antarctica.&rft.identifier=10.4225/15/55DFBBEEE3F5C&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: Site Location Altitude Erratic Rock Gravel Sand Salt Schmidt Hammer Weathering&rft.creator=GORE, DAMIAN &rft.date=2001&rft.coverage=northlimit=-67.0; southlimit=-69.0; westlimit=62.0; eastLimit=64.0; projection=WGS84&rft.coverage=northlimit=-67.0; southlimit=-69.0; westlimit=62.0; eastLimit=64.0; projection=WGS84&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_subject=climatologyMeteorologyAtmosphere&rft_subject=geoscientificInformation&rft_subject=inlandWaters&rft_subject=GLACIERS&rft_subject=EARTH SCIENCE&rft_subject=CRYOSPHERE&rft_subject=GLACIERS/ICE SHEETS&rft_subject=ICE DEPTH/THICKNESS&rft_subject=SNOW/ICE&rft_subject=GLACIATION&rft_subject=PALEOCLIMATE&rft_subject=LAND RECORDS&rft_subject=ALTITUDE&rft_subject=COSMOGENIC ISOTOPE DATING&rft_subject=ERRATIC&rft_subject=GEOLOGY&rft_subject=GLACIAL MAXIMUM&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=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_place=Hobart&rft.type=dataset&rft.language=English Access the data
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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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Brief 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

Issued: 2001-04-09

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

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64,-67 64,-69 62,-69 62,-67 64,-67

63,-68

text: northlimit=-67.0; southlimit=-69.0; westlimit=62.0; eastLimit=64.0; projection=WGS84

Subjects
ALTITUDE | CONTINENT > ANTARCTICA > Central Masson Range | CONTINENT > ANTARCTICA > Framnes Mountains | CONTINENT > ANTARCTICA > Kemp Land offshore islands | CONTINENT > ANTARCTICA > Mawson | CONTINENT > ANTARCTICA > Mt Henderson | CONTINENT > ANTARCTICA > Mt Hordern | CONTINENT > ANTARCTICA > North Masson Range | CONTINENT > ANTARCTICA > South Masson Range | CONTINENT > ANTARCTICA > Welch Island | COSMOGENIC ISOTOPE DATING | CRYOSPHERE | EARTH SCIENCE | ERRATIC | FIELD SURVEYS | GEOGRAPHIC REGION > POLAR | GEOLOGY | GLACIAL MAXIMUM | GLACIATION | GLACIERS | GLACIERS/ICE SHEETS | GRAVEL | ICE DEPTH/THICKNESS | ICE THICKNESS | LAND RECORDS | LOCATION | NUMERICAL MODELING | PALAEOCLIMATE | PALEOCLIMATE | ROCK | SALT | SAND | SCHMIDT HAMMER | SITE | SNOW/ICE | WEATHERING | climatologyMeteorologyAtmosphere | geoscientificInformation | inlandWaters |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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