Data

Whole rock geochemistry – major elements - from selected basalts dredged from seamounts in the south Tasman Sea during RV Investigator voyage IN2018_V08

Australian Antarctic Division
Carey, R.J. and Whittaker, J. ; CAREY, REBECCA JANE ; WHITTAKER, JOANNE
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:doi10.26179/1k6b-vh26&rft.title=Whole rock geochemistry – major elements - from selected basalts dredged from seamounts in the south Tasman Sea during RV Investigator voyage IN2018_V08&rft.identifier=10.26179/1k6b-vh26&rft.publisher=Australian Antarctic Data Centre&rft.description=XRF geochemical major and trace element data of whole rocks collected from submarine edifices in the southern Tasman Sea. Samples that did not show alteration were used for the analysis. Whole rocks were crushed in an agate mill and analysed at the University of Tasmania XRF Facilities. Instrument was a PANalytical Axios Advanced X-Ray Spectrometer. Major elements were analysed via 32mm fusion discs prepared at 1100 degrees C in 5%Au/95%Pt crucibles 0.500g sample, 4.500g 12-22 Flux (Lithium Tetraborate-Metaborate mix), 0.0606g LiNO3 for silicates. Platinum/5% gold moulds used for cooling. Sulphide bearing samples have a different mix with more LiNO3 as oxidising agent and the mix is pre-ignited at 700 degrees C for 10 minutes. Ore samples and ironstones use 12/22 flux and a higher flux/sample ratio. Dolomites and limestones need pure lithium tetraborate as a flux. Iodine vapour is used as a releasing agent to remove discs from the mould. For trace elements 32mm diameter pressed powder pills (10g, 3.5 tonnes/cm-2), Sample Binder PVP-MCCorrections for mass absorption are calculated using PANalytical Super-Q software with its Classic calibration model and alpha coefficients. In house inter-element corrections are also applied. PANalytical ProTrace and Compton scattering can also be used for many trace elements. For calibration, pure element oxide mixes in pure silica, along with International and Tasmanian reference rocks are used. Numerous checks of reference rocks and pure silica blanks are run with each program.Progress Code: completedStatement: Data quality are considered good.&rft.creator=Carey, R.J. and Whittaker, J. &rft.creator=CAREY, REBECCA JANE &rft.creator=WHITTAKER, JOANNE &rft.date=2025&rft.coverage=westlimit=145.89844; southlimit=-47.98992; eastlimit=166.06934; northlimit=-35.42487&rft.coverage=westlimit=145.89844; southlimit=-47.98992; eastlimit=166.06934; northlimit=-35.42487&rft_rights=These data are not yet publicly available for download.&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_4598_WholeRockGeochemistry_MajorElements when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=geoscientificInformation&rft_subject=oceans&rft_subject=EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROPERTIES&rft_subject=EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > ELEMENTS > MAJOR ELEMENTS&rft_subject=EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > SEAMOUNTS&rft_subject=XRF > X-Ray Fluorescence Spectrometer&rft_subject=LABORATORY > LABORATORY&rft_subject=Palaeo Start Date 70 Ma&rft_subject=Palaeo Stop Date 4 Ma&rft_subject=AMD&rft_subject=CEOS&rft_subject=AMD/AU&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN > TASMAN SEA&rft_subject=OCEAN > SOUTHERN OCEAN > TASMAN SEA&rft.type=dataset&rft.language=English Access the data
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These data are not yet publicly available for download.

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_4598_WholeRockGeochemistry_MajorElements when using these data.

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XRF geochemical major and trace element data of whole rocks collected from submarine edifices in the southern Tasman Sea. Samples that did not show alteration were used for the analysis. Whole rocks were crushed in an agate mill and analysed at the University of Tasmania XRF Facilities. Instrument was a PANalytical Axios Advanced X-Ray Spectrometer. Major elements were analysed via 32mm fusion discs prepared at 1100 degrees C in 5%Au/95%Pt crucibles 0.500g sample, 4.500g 12-22 Flux (Lithium Tetraborate-Metaborate mix), 0.0606g LiNO3 for silicates. Platinum/5% gold moulds used for cooling. Sulphide bearing samples have a different mix with more LiNO3 as oxidising agent and the mix is pre-ignited at 700 degrees C for 10 minutes. Ore samples and ironstones use 12/22 flux and a higher flux/sample ratio. Dolomites and limestones need pure lithium tetraborate as a flux. Iodine vapour is used as a releasing agent to remove discs from the mould. For trace elements 32mm diameter pressed powder pills (10g, 3.5 tonnes/cm-2), Sample Binder PVP-MC

Corrections for mass absorption are calculated using PANalytical Super-Q software with its Classic calibration model and alpha coefficients. In house inter-element corrections are also applied. PANalytical ProTrace and Compton scattering can also be used for many trace elements. For calibration, pure element oxide mixes in pure silica, along with International and Tasmanian reference rocks are used. Numerous checks of reference rocks and pure silica blanks are run with each program.

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Progress Code: completed
Statement: Data quality are considered good.

Data time period: 2018-12-27 to 2024-12-31

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166.06934,-35.42487 166.06934,-47.98992 145.89844,-47.98992 145.89844,-35.42487 166.06934,-35.42487

155.98389,-41.707395

text: westlimit=145.89844; southlimit=-47.98992; eastlimit=166.06934; northlimit=-35.42487

Subjects
AMD | AMD/AU | CEOS | EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > SEAMOUNTS | EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROPERTIES | EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > ELEMENTS > MAJOR ELEMENTS | GEOGRAPHIC REGION > POLAR | LABORATORY > LABORATORY | OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN > TASMAN SEA | OCEAN > SOUTHERN OCEAN > TASMAN SEA | Palaeo Start Date 70 Ma | Palaeo Stop Date 4 Ma | XRF > X-Ray Fluorescence Spectrometer | geoscientificInformation | oceans |

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

url : https://data.aad.gov.au/eds/6043/download

Public information for AAS project AAS_4598 (PROJECT HOME PAGE)

url : https://projects.aad.gov.au/report_project_public.cfm?project_no=4598

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

url : https://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4598_WholeRockGeochemistry_MajorElements

Identifiers
ACN 633 798 857