From Western Australia Government
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1:2 500 000 State Cenozoic geology (DMIRS-076)

Created 13/01/2025

Updated 08/04/2025

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The digital '1:2 500 000 geological map of Western Australia' comprises four layers: the primary 1:2 500 000 State interpreted bedrock geology, the 1:2 500 000 State Cenozoic geology, the 1:2 500 000 State interpreted dyke suites, and the 1:2 500 000 State interpreted bedrock geology structural lines. The 1:2 500 000 interpreted geology contains geoscience data covering themes such as geology and tectonic boundaries that have been digitally rolled up from 1:500 000 data sources for optimal display at 1:2 500 000 scale. The Cenozoic geology layer can be superimposed over the bedrock layer to allow the extension of older bedrock geology under Cenozoic cover where geological and geophysical information permits, and to depict Cenozoic paleovalleys and additional significant Cenozoic cover. The dyke suites layer is primarily interpreted from aeromagnetic data, using mapped dyke extents as a guide. Individual dykes are assigned to named dyke suites wherever possible. The attribution of linear structures and dykes as concealed or exposed takes into account both the interpreted bedrock and the Cenozoic geology layers and does not reflect regolith cover. Detailed fault attribution has been simplified from the 1:500 000 scale, except in the case of major fault systems or tectonic boundaries. The nomenclature and hierarchy of lithostratigraphic units is based on the GSWA weekly updates from the Explanatory Notes System (ENS). In order to provide the most up-to-date geological information for the units in question, attribution from the original source is modified to remove superseded stratigraphic units, display correct stratigraphic relationships and include more recent geochronology. Stratigraphic units are mostly displayed at greater than or equal to Group or Suite level; Subgroups and Formations are only displayed where areal extent warrants it and the unit does not have a higher order parent.

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Additional Info

Field Value
Title 1:2 500 000 State Cenozoic geology (DMIRS-076)
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://devweb.dga.links.com.au/data/dataset/e79ece0f-2d31-47be-a928-b1b05c6967bb
Contact Point
Department of Planning (Western Australia)
corporate@planning.wa.gov.au
Geospatial Coverage http://www.ga.gov.au/place-names/PlaceDetails.jsp?fctext=RESV&fctext=POPL&fctext=STAT&submit1=GA7
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "1:2 500 000 State Cenozoic geology (DMIRS-076)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/1-2500000-state-cenozoic-geology-dmirs-076

Original dataset
Dataset copies

No duplicate datasets found.