Data

5028 Block 4 (Northeast) raw-edited magnetic point-located data

Geoscience Australia
Geophysical Acquisition & Processing Section
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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:doi10.26186/151035&rft.title=5028 Block 4 (Northeast) raw-edited magnetic point-located data&rft.identifier=10.26186/151035&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=GENERAL Total Magnetic Intensity (TMI) data measures variations in the intensity of the Earth's magnetic field, which includes the fields associated with the Earth's core, diurnal variations, and the magnetism of rocks in the Earth's crust. TMI data is used for geological mapping, mineral exploration, and environmental studies. RAW-EDITED DATA The raw edited point-located data is the rawest form of the data and includes the following measurements: raw TMI, compensated TMI, diurnal, fluxgate magnetometer, raw altimeter heights, and ellipsoidal GNSS heights. This line dataset from the Narryer survey were acquired in 2024 by the WA Government, and consisted of 415090 line-kilometres of data at 100m line spacing and 50m terrain clearance.Maintenance and Update Frequency: asNeededStatement: This 5028 Block 4 (Northeast) raw-edited magnetic point-located data is an airborne-derived magnetic line dataset for the Narryer survey. The data was acquired under the project No. 5028 for the geological survey of WA. A total of 415090 line-kilometres of data at a line spacing of 100m and 50m terrain clearance were acquired during this survey. Details of the specifications of individual airborne surveys can be found in the Fourteenth Edition of the Index of Airborne Geophysical Surveys (Percival, 2014). This Index is also available online at http://pid.geoscience.gov.au/dataset/79134. Reference: Percival, P.J., 2014. Index of airborne geophysical surveys (Fourteenth Edition).&rft.creator=Geophysical Acquisition & Processing Section &rft.date=2026&rft.coverage=westlimit=116.85491124201829; southlimit=-25.862242432368163; eastlimit=118.00698731910315; northlimit=-24.98747137992949; projection=GDA94 (EPSG:4283)&rft.coverage=westlimit=116.85491124201829; southlimit=-25.862242432368163; eastlimit=118.00698731910315; northlimit=-24.98747137992949; projection=GDA94 (EPSG:4283)&rft_rights=Creative Commons Attribution 4.0 International Licence https://creativecommons.org/licenses/by/4.0/&rft_rights=© Commonwealth of Australia (Geoscience Australia) and State of Western Australia (Department of Mines, Industry Regulation and Safety) 2026&rft_rights=Australian Government Security Classification System https://www.protectivesecurity.gov.au/publications-library/policy-8-classification-system&rft_subject=geoscientificInformation&rft_subject=EARTH SCIENCES&rft_subject=Earth sciences&rft_subject=geophysics&rft_subject=line&rft_subject=Australia&rft_subject=WA&rft_subject=survey 5028&rft_subject=GADDS2.0&rft_subject=magnetics&rft_subject=magnetism&rft_subject=total magnetic intensity (TMI)&rft_subject=airborne digital data&rft_subject=point-located&rft_subject=geophysical survey&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution 4.0 International Licence
https://creativecommons.org/licenses/by/4.0/

© Commonwealth of Australia (Geoscience Australia) and State of Western Australia (Department of Mines, Industry Regulation and Safety) 2026

Australian Government Security Classification System
https://www.protectivesecurity.gov.au/publications-library/policy-8-classification-system

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Full description

GENERAL
Total Magnetic Intensity (TMI) data measures variations in the intensity of the Earth's magnetic field, which includes the fields associated with the Earth's core, diurnal variations, and the magnetism of rocks in the Earth's crust.
TMI data is used for geological mapping, mineral exploration, and environmental studies.

RAW-EDITED DATA
The raw edited point-located data is the rawest form of the data and includes the following measurements: raw TMI, compensated TMI, diurnal, fluxgate magnetometer, raw altimeter heights, and ellipsoidal GNSS heights.

This line dataset from the Narryer survey were acquired in 2024 by the WA Government, and consisted of 415090 line-kilometres of data at 100m line spacing and 50m terrain clearance.

Lineage

Maintenance and Update Frequency: asNeeded
Statement: This 5028 Block 4 (Northeast) raw-edited magnetic point-located data is an airborne-derived magnetic line dataset for the Narryer survey. The data was acquired under the project No. 5028 for the geological survey of WA. A total of 415090 line-kilometres of data at a line spacing of 100m and 50m terrain clearance were acquired during this survey. Details of the specifications of individual airborne surveys can be found in the Fourteenth Edition of the Index of Airborne Geophysical Surveys (Percival, 2014). This Index is also available online at http://pid.geoscience.gov.au/dataset/79134. Reference: Percival, P.J., 2014. Index of airborne geophysical surveys (Fourteenth Edition).

Notes

Purpose
Magnetic and radiometric data are types of geophysical information primarily used to map geology. The data will have applications in mineral, energy, and groundwater exploration as well as environmental studies.

Issued: 05 05 2026

Data time period: 2026-02-25 to 2026-02-25

This dataset is part of a larger collection

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118.00699,-24.98747 118.00699,-25.86224 116.85491,-25.86224 116.85491,-24.98747 118.00699,-24.98747

117.43094928056,-25.424856906148

text: westlimit=116.85491124201829; southlimit=-25.862242432368163; eastlimit=118.00698731910315; northlimit=-24.98747137992949; projection=GDA94 (EPSG:4283)

Subjects
Australia | EARTH SCIENCES | Earth sciences | GADDS2.0 | Published_External | WA | airborne digital data | geophysical survey | geophysics | geoscientificInformation | line | magnetics | magnetism | point-located | survey 5028 | total magnetic intensity (TMI) |

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Other Information
The Geophysical Archive Data Delivery System (GADDS2) portal provides HTTP download of geophysics datasets in a number of formats. Point and line datasets are available in NetCDF and ASEG-GDF2. Grid datasets are available in NetCDF, GeoTIFF and ERS. (File available for download in various formats from the GADDS2 portal)

url : https://portal.ga.gov.au/persona/gadds

File download for 5028 Block 4 (Northeast) raw-edited magnetic point-located data (5028 Block 4 (Northeast) raw-edited magnetic point-located data file download)

url : https://thredds.nci.org.au/thredds/fileServer/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/WA/line/P5028/P5028_4_magnetics_raw_edited.nc

OPeNDAP web service for 5028 Block 4 (Northeast) raw-edited magnetic point-located data (5028 Block 4 (Northeast) raw-edited magnetic point-located data OPeNDAP)

url : https://thredds.nci.org.au/thredds/dodsC/iv65/Geon/aoscience_Australia_Geophysics_Reference_Data_Collectiirborne_geophysics/WA/line/P5028/P5028_4_magnetics_raw_edited.nc.html

5028 Block 4 (Northeast) raw-edited magnetic point-located data OPeNDAP

url : https://thredds.nci.org.au/thredds/dodsC/iv65/Geoscience_Australia_Geophysics_Reference_Data_Collection/airborne_geophysics/WA/line/P5028/P5028_4_magnetics_raw_edited.nc.html

Identifiers
ACN 633 798 857