Data

Low temperature thermochronology from Knox Rift region

Australian Antarctic Division
Aitken, A.R., Halpin, J., Whittaker, J., Maritati, A. and Danisik, M. ; AITKEN, ALAN R.A. ; HALPIN, JACQUELINE ; WHITTAKER, JOANNE ; MARITATI, ALESSANDRO ; DANISIK, MARTIN
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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=info:doi10.26179/5de5f27bb7d93&rft.title=Low temperature thermochronology from Knox Rift region&rft.identifier=10.26179/5de5f27bb7d93&rft.publisher=Australian Antarctic Data Centre&rft.description=This dataset includes (U-Th)/He analyses on zircon and apatite grains from samples in the Knox Rift region. Samples were analysed at the John de Laeter Centre (Curtin University), using conventional single grain (U-Th)/He dating techniques. This dataset includes (U-Th)/He analyses on zircon and apatite grains from samples in the Knox Rift region. Samples were analysed at the John de Laeter Centre (Curtin University), using conventional single grain (U-Th)/He dating techniques. The file format is Microsoft Excel. The first sheet provides machine-readable summary of the data while the second worksheet includes the processed analytical data for each sample. Sample locations (Latitude, Longitude, Elevation - WGS84), location names, sample lithologies and the source collections of the original sample are included. -9999.9 indicates missing data.Progress Code: completedStatement: In general, data quality is excellent from analytical standpoint (i.e., single grain ages reproduce within analytical uncertainty), however, in some case quality of analytical results was compromised by insufficient quality of dated material. For example, in some cases quality of apatite crystals did not entirely meet the requirements as the crystals contained mineral or fluid inclusions which can potentially affect the accuracy of (U-Th)/He dating results.&rft.creator=Aitken, A.R., Halpin, J., Whittaker, J., Maritati, A. and Danisik, M. &rft.creator=AITKEN, ALAN R.A. &rft.creator=HALPIN, JACQUELINE &rft.creator=WHITTAKER, JOANNE &rft.creator=MARITATI, ALESSANDRO &rft.creator=DANISIK, MARTIN &rft.date=2019&rft.coverage=westlimit=96.3; southlimit=-67.4; eastlimit=101.2; northlimit=-65.9&rft.coverage=westlimit=96.3; southlimit=-67.4; eastlimit=101.2; northlimit=-65.9&rft.coverage=westlimit=96.3; southlimit=-67.5; eastlimit=101.2; northlimit=-65.9&rft.coverage=westlimit=96.3; southlimit=-67.5; eastlimit=101.2; northlimit=-65.9&rft.coverage=uplimit=1200; downlimit=0&rft.coverage=uplimit=1200; downlimit=0&rft.coverage=uplimit=1200; downlimit=0&rft.coverage=uplimit=1200; downlimit=0&rft_rights=These data are publicly available for download 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 provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4460_Thermochronology when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=geoscientificInformation&rft_subject=EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > ELEMENTS&rft_subject=EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > AGE DETERMINATIONS&rft_subject=EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > BEDROCK LITHOLOGY&rft_subject=THERMOCHONOLOGY&rft_subject=(U-TH)/HE&rft_subject=ZIRCON&rft_subject=APATITE&rft_subject=ICPMS&rft_subject=NOBLE-GASS MASS-SPECTROMETER&rft_subject=JOHN DE LAETER CENTRE&rft_subject=ICP-MS > Inductively Coupled Plasma Mass Spectrometer&rft_subject=GC-MS > Gas Chromatograph/Mass Spectrometry&rft_subject=LABORATORY&rft_subject=FIELD INVESTIGATION&rft_subject=Palaeo Start Date 550 Ma&rft_subject=Palaeo Stop Date 150 Ma&rft_subject=AMD/AU&rft_subject=AMD&rft_subject=CEOS&rft_subject=CONTINENT > ANTARCTICA > KNOX COAST&rft_subject=CONTINENT > ANTARCTICA > BUNGER HILLS&rft_subject=CONTINENT > ANTARCTICA > MOUNT STRATHCONA&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 for download 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 provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4460_Thermochronology when using these data.

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Full description

This dataset includes (U-Th)/He analyses on zircon and apatite grains from samples in the Knox Rift region. Samples were analysed at the John de Laeter Centre (Curtin University), using conventional single grain (U-Th)/He dating techniques.

This dataset includes (U-Th)/He analyses on zircon and apatite grains from samples in the Knox Rift region. Samples were analysed at the John de Laeter Centre (Curtin University), using conventional single grain (U-Th)/He dating techniques. The file format is Microsoft Excel. The first sheet provides machine-readable summary of the data while the second worksheet includes the processed analytical data for each sample. Sample locations (Latitude, Longitude, Elevation - WGS84), location names, sample lithologies and the source collections of the original sample are included. -9999.9 indicates missing data.

Lineage

Progress Code: completed
Statement: In general, data quality is excellent from analytical standpoint (i.e., single grain ages reproduce within analytical uncertainty), however, in some case quality of analytical results was compromised by insufficient quality of dated material. For example, in some cases quality of apatite crystals did not entirely meet the requirements as the crystals contained mineral or fluid inclusions which can potentially affect the accuracy of (U-Th)/He dating results.

Notes

Purpose
This dataset provides an indication of the timing in which analysed samples were cooling through the Helium partial retention zone of Apatite (~40-80 degrees C) and in Zircon (~150-220 degrees C). These data may represent the aftermath of heating during tectonic events (e.g., rifting), or may indicate exhumation of analyzed rocks from depth, either during active tectonic events and/or through erosion.

Data time period: 2018-02-23 to 2019-07-19

This dataset is part of a larger collection

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101.2,-65.9 101.2,-67.4 96.3,-67.4 96.3,-65.9 101.2,-65.9

98.75,-66.65

101.2,-65.9 101.2,-67.5 96.3,-67.5 96.3,-65.9 101.2,-65.9

98.75,-66.7

text: westlimit=96.3; southlimit=-67.4; eastlimit=101.2; northlimit=-65.9

text: westlimit=96.3; southlimit=-67.5; eastlimit=101.2; northlimit=-65.9

text: uplimit=1200; downlimit=0

text: uplimit=1200; downlimit=0

Subjects
(U-TH)/HE | AMD | AMD/AU | APATITE | CEOS | CONTINENT > ANTARCTICA > BUNGER HILLS | CONTINENT > ANTARCTICA > KNOX COAST | CONTINENT > ANTARCTICA > MOUNT STRATHCONA | EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > AGE DETERMINATIONS | EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > BEDROCK LITHOLOGY | EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > ELEMENTS | FIELD INVESTIGATION | GC-MS > Gas Chromatograph/Mass Spectrometry | GEOGRAPHIC REGION > POLAR | ICP-MS > Inductively Coupled Plasma Mass Spectrometer | ICPMS | JOHN DE LAETER CENTRE | LABORATORY | NOBLE-GASS MASS-SPECTROMETER | Palaeo Start Date 550 Ma | Palaeo Stop Date 150 Ma | THERMOCHONOLOGY | ZIRCON | geoscientificInformation |

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Other Information
Download the dataset. (GET DATA > DIRECT DOWNLOAD)

url : https://data.aad.gov.au/eds/5044/download

Public information for AAS project AAS_4460 (PROJECT HOME PAGE)

url : https://projects.aad.gov.au/search_projects_results.cfm?project_no=AAS_4460

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

url : https://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4460_Thermochronology

Identifiers
ACN 633 798 857