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Surface Geology of Australia 1:2.5 million scale dataset 2012 edition

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Created 13/01/2025

Updated 13/01/2025

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The 1:2.5M scale geology of Australia data documents the distribution and age of major stratigraphic, intrusive and medium to high-grade metamorphic rock units of onshore Australia. This edition contains the same spatial content as the previous edition, but its geological attribute data is more complete than the 2010 edition. The dataset was compiled to use at scales between 1:2.5 million and 1:5 million inclusive. The units distinguished/mapped mainly represent stratigraphic supergroups, regional intrusive associations and regional metamorphic complexes. Groupings of Precambrian units in the time-space diagram are generally separated by major time breaks; Phanerozoic units are grouped according to stratigraphic age i.e. System/Period. The time-space diagram has the added benefit that it provides a summary of units currently included on the themes. The method used to distinguish sedimentary and many volcanic units varies for each geological eon as follows: - Cainozoic units are morphological units which emphasise the relationship of the sedimentary fill to the landscape. - Mesozoic units are regionally extensive to continent-wide time-rock units which emphasise the System of Period(s). - Paleozoic units are stratotectonic units that emphasise either the dominant System or Period(s) or the range of Periods. - Proterozoic units are commonly regional stratotectonic units - separated by major time breaks and split into the Paleoproterozoic, Mesoproterozoic and Neoproterozoic Eras - which are generally unique to each cratonic region. - Archaean units are regional lithological units grouped into broad time divisions. Metamorphic units are lithological units which emphasise the metamorphic facies and timing of the last major metamorphic event.

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Title Surface Geology of Australia 1:2.5 million scale dataset 2012 edition
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/decfaeae-8d7c-45a5-a4e1-4bc6a310303c
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 19/12/2012 - 19/12/2014
Geospatial Coverage {"type": "Polygon", "coordinates": [[[109.2, -47.3], [163.2, -47.3], [163.2, -8.8], [109.2, -8.8], [109.2, -47.3]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Surface Geology of Australia 1:2.5 million scale dataset 2012 edition". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/surface-geology-of-australia-1-2-5-million-scale-dataset-2012-edition

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No duplicate datasets found.