Great Artesian Basin Surat / Clarence-Moreton basins Hydrogeological Boundary  

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Abstract

The approximate location of the Helidon Ridge (proposed name) - a basement ridge likely to define the hydrogeological boundary between the Surat and Clarence-Moreton basins in the GAB. To be used in conjunction with dataset 'Groundwater divide in the Hutton Sandstone boundary' (Geoscience Australia, Catalogue #77024, 2013) to define the easternmost boundary of the GAB. The approximate location of the Helidon ridge was interpreted from a GOCAD model layer of Base of Hutton Sandstone surface (Geoscience Australia dataset, Catalogue #76025, 2013). This data set provides an approximate location of Helidon ridge as a polygon in Shapefile format. The polygon represents the area in which the boundary is likely to be located, as the exact location is open to interpretation. Data is available in Shapefile format This data set was used in: Figure 5.3 in Ransley TR and Smerdon BD (eds) (2012) Hydrostratigraphy, hydrogeology and system conceptualisation of the Great Artesian Basin. A technical report to the Australian Government from the CSIRO Great Artesian Basin Water Resource Assessment. CSIRO Water for a Healthy Country Flagship, Australia. Figure 5.3 in Smerdon BD and Ransley TR (eds) (2012) Water resource assessment for the Surat region. A report to the Australian Government from the CSIRO Great Artesian Basin Water Resource Assessment. CSIRO Water for a Healthy Country Flagship, Australia Figure 14 in Smerdon BD, Marston FM and Ransley TR (2012) Water resource assessment for the Surat region. Summary of a report to the Australian Government from the CSIRO Great Artesian Basin Water Resource Assessment. CSIRO Water for a Healthy Country Flagship, Australia. 16pp. This dataset and associated metadata can be obtained from www.ga.gov.au, using catalogue number 75836.

Product Type

dataset

eCat Id

75836

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Keywords

• GIS Dataset

( Theme )

• geology

( Theme )

• groundwater

( Theme )

• boundaries

• AU-NSWAU-QLDAU-SA

Australian and New Zealand Standard Research Classification (ANZSRC)

• Hydrogeology

• Published_External

Publication Date

2013-01-01T00:00:00

Creation Date

Security Constraints

Australian Government Security ClassificationSystem    

Classification - unclassified

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Creative Commons Attribution 4.0 International Licence    

Access - license

Use - license

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Purpose

Maintenance Information

unknown

Topic Category

geoscientificInformation

Series Information

Lineage

SOURCE DATA: The approximate location of the Helidon Ridge was interpreted from GOCAD model layer 'Base of Hutton Sandstone surface' , a Geoscience Australia dataset (Catalogue #76025, 2013) REFERENCES: Geoscience Australia 2013. Great Artesian Basin: Base of Hutton Sandstone surface (dataset). Catalogue # 76025. METHODS: Heads up digitised within ArcGIS based on interpretation of grid values

Parent Information

Extents

[-28.147, -27.435, 151.778, 152.245]

Reference System

Spatial Resolution

Service Information

Associations

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