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Bass Basin GIS project : an output of the Western Tasmanian Regional Minerals Program - geochemistry data

Note: This metadata describes the dataset in accordance with the ANZLIC (Australia New Zealand Land Information Council) Core Metadata Guidelines Version 2.

Dataset citation

ANZLIC unique identifier: ANZCW0703004841

Title: Bass Basin GIS project : an output of the Western Tasmanian Regional Minerals Program - geochemistry data


Custodian: Geoscience Australia

Jurisdiction: Australia



This data contains petroleum wells for the Bass and Durroon region that have drill-hole geochemistry and geological data attached to them. The attributes have data pertaining to Organinic Geochemistry, Biostratigraphy and Reservoir-Facies on a down-well basis.

ANZLIC search words:

  • GEOSCIENCES Geochemistry Exploration

Spatial domain:

locality map

Geographic extent name: BASS STRAIT - BASS STRAIT - Ocean and Sea Regions - Australia

Geographic extent polygon: 143 -37, 149 -37, 149 -43, 143 -43, 143 -37,

Note: The format for each Geographic extent name is: Name - Identifier - Category - Jurisdiction (as appropriate) See GEN Register

Geographic bounding box:
North bounding latitude: -37 °
South bounding latitude: -43 °
East bounding longitude: 149 °
West bounding longitude: 143 °

Data currency

Beginning date: 2002-02-10

Ending date: 2002-06-10

Dataset status

Progress: Complete

Maintenance and update frequency: Not Known


Stored data format:
Available format type:
DIGITAL - shp ArcView shape file ArcView Geographic WGS84

Access constraints:

This dataset has no restrictions and is available free online at "".

Free Data Download

Data quality


This data is initially extracted from Well Completion Reports, they were then all loaded into the Oracle database by Geoscience Australia staff. Point data was exported from the Geoscience Australia Oracle database and then imported into ArcView as shape files.

Positional accuracy:

Nominal Scale 1:5 000 000

Some wells are older and their datum's are unknown or unavailable, therefore an accuracy error could be as high as 500m.

Attribute accuracy:


All the attribute data has been entered in by Geoscience Australia staff from Well Completion Reports (WCR). The accuracy is depended on human error or that of the WCR.

Logical Consistency:

All vector data has been visually checked for extraneous points and value added data.


All vector data and details are complete and verified.

Contact information

Contact organisation: Commonwealth of Australia (Geoscience Australia) (GA)
Contact position: Manager Client Services
Mail address: Cnr Jerrabomberra Ave and Hindmarsh Dr
Mail address: GPO Box 378
Locality: Canberra
State: ACT
Country: Australia
Postcode: 2601
Telephone: 02 6249 9966
Facsimile: 02 6249 9960
Electronic mail address:

Metadata information

Metadata date: 2013-03-08

Additional metadata

Metadata reference XHTML:

Metadata reference XML:

The attributes for this data contains information from three Geoscience Australia database sources, they are:

Organic Geochemistry (ORGCHEM)

Biostratigraphy (STRATDAT)

Reservoir-Facies (RESFACS)

To see more information on the descriptions on the field names and attribute abbreviations and descriptions, please refer to the "readme" file located in the "geochemistry" directory on this CD-ROM.

Authors:Trigg, K. Mitchell, C. Boreham, C.J. Blevin, J.E.