Metadata : Northern Territory Geological Regions 2500K
Name: AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile
Date Metadata Extracted: 2020-08-04
Date Metadata Last Updated: 2020-03-13
Current URL (HTML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=html&metadata_id=FA83D24C788060ABE040CD9B2144317B
Current URL (XML format) : http://www.ntlis.nt.gov.au/metadata/export_data?type=xml&metadata_id=FA83D24C788060ABE040CD9B2144317B
ANZLIC Identifier: FA83D24C788060ABE040CD9B2144317B
Title: Northern Territory Geological Regions 2500K
Citation Date: 2003-07-01
Date Type: creation
Custodian: Department of Primary Industry and Resources
The Northern Territory is dominated by Palaeo- to Mesoproterozoic orogens and basins, with localised outcrop of Neoarchean (2.7-2.5 Ga) granite and gneiss. Palaeoproterozoic orogens form widespread and prospective basement (eg Pine Creek Orogen, Aileron Province, Tanami Region, Tennant Region), with protolith ages most commonly in the range 1.87-1.73 Ga. Further south, the Warumpi and Musgrave provinces represent more juvenile crust with ages of 1.69-1.07 Ga.
Widespread Palaeo-Mesoproterozoic basins (McArthur, Tomkinson, Birrindudu and South Nicholson basins) overlie much of the North Australian Craton and are connected beneath younger basins. The Neoproterozoic to Palaeozoic basins were linked for much of their history, but were substantially affected and dismembered by intraplate tectonics in central Australia. The Kalkarindji Province records a widespread Cambrian flood basalt event over much of the northern part of the Territory. Mesozoic to Cenozoic basins form widespread cover successions and are relatively undeformed.
- North Bounding Coordinate: -10
- South Bounding Coordinate: -26
- East Bounding Coordinate: 138
- West Bounding Coordinate: 129
Character Set: Latin 1
Maintenance and Update Frequency: annually
Data Currency Start Date: 2003-07-01
Data Currency End Date:
Access Constraint: Copyright Northern Territory of Australia (Northern Territory Geological Survey) 2020
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Lineage: Vector data was produced by generalising the 1:2.5M scale map Geology of the Northern Territory, to represent the geological regions.
Positional Accuracy: Dataset accurate at 1:2.5M scale.
Attribute Accuracy: Attributes defined by senior NT Geological Survey staff with over 10 years experience in the study of Northern Territory geology.
Logical Consistency: Logical consistency was validated by tests to check that table and file names are set out as in the Data Dictionary. Graphical tests checking details such as intersections, polygon closure, minimum sizes of polygons and length of linear features were also carried out.
Name Organisation Position Role Phone Fax Manager Geoscience Business Systems Department of Primary Industry and Resources Manager Geoscience Business Systems custodian (08) 8999 5211 (08) 8999 6824 firstname.lastname@example.org
Attribute Attribute Description Possible Code Code Description GEOLPROVINCE Name of the Geological Province. Usually a distinct part of a geological region GEOLREGION Name of Geological Region ID Unique Codes for the verified geological regions and provinces in the Northern Territory UNIQ_ID Primary key of the spatial dataset
Search Words: Geology, Region, Basin, Inlier.
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