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These maps are produced by the Seamless Geology project. The data represent the surface geology, including surficial unconsolidated deposits and outcropping (or near-outcropping) bedrock, geological unit contacts, faults and shear zones. The project will be compiled in stages, based on the structural zones of Victoria. It is intended to provide a seamless geological interpretation of the surface geology of Victoria. Geometry and attribution will be reconciled at scale and across scales for 1:50 000, 1:250 000, 1:1 million and 1:4 million. Geology of suitable quality collected in the pre-digital era (eg 1 to 1 mile maps) will supplement the more recent data in the 50k or 250k layers. The project will generalise the reconciled 50k geological mapping into the 250k and ensure that the updates are then incorporated into the 1M and 4M geology.
This OneGeology WMS service comprises a 1:2,500,000 scale digital geological map of Australia (2000) and 1:1,000,000 scale digital geological maps of Eastern Australia, Northern Territory, South Australia and Western Australia (2008). A scale limiter is placed upon the 1:1,000,000 scale data so that this detailed data can only be viewed when zoomed in to an appropriate viewing scale. The data represents the surface geology, including surficial unconsolidated deposits and outcropping (or near-outcropping) bedrock, geological unit contacts, faults and shear zones. The geological unit datasets are each represented by two layers - one classified according to the AGE of unit, and another classified according to LITHOSTRATIGRAPHY. Lithostratigraphic classification and description of the 1:1,000,000 scale data is according to the Australian Stratigraphic Units Database (https://www.ga.gov.au/oracle/stratnames/index.jsp). The 1:2,500,000 scale data employs a broader and more simplified classification of Australian geological units. This data and other digital geological datasets of Australia are available free from the Geoscience Australia website at https://www.ga.gov.au/products/servlet/controller?event=DEFINE_PRODUCTS.
OGC Web Map Server maintained by the Australian Government: Geoscience Australia (www.ga.gov.au). High-quality Australia-wide geoscience mapping data. All data are free to use. See www.ga.gov.au/products for free downloads of most of these datasets.
