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GU Report 22 - Quality assurance process of gold drillhole data

GU Report 22 - Quality assurance process of gold drillhole data
Category: Gold Undercover Reports Product Code: MP-R-37317
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Executive Summary GeoScience Victoria (GSV) has devised a new quality assurance process. This process has been applied to qualitative and quantitative data from 11,231 drillholes drilled for gold exploration across the entire Gold Undercover area. The data was collected from the northern part of the Victorian Gold Province in western and central Victoria, where a blanket of post-mineralisation sediments covers potentially mineralised rocks. Understanding the quality of the drillhole data will aid gold exploration in areas under such cover.

This report presents an overview of the process of database investigation and quality control which will be applied to all drillhole data obtained by GSV that is found to require quality assurance.

The project was undertaken as part of the Gold Undercover initiative. One of the project’s aims was to make available drillhole data that has undergone a quality assurance process.

Key outcomes of the GSV’s Boreholes Database investigation are:
  • the creation of quality control indicators in the GSV Boreholes Database and reporting system so that users can appraise the quality status of the data
  • quality-assured drillhole data made available through the GeoVic on-line mapping application and released on geoscientific data DVDs.
Download The downloadable version of this report is supplied in PDF format. Appendix 1, a QC scenarios matrix, is also provided as a separate Excel spreadsheet.

Bibliographic reference Roberts, R. & Lynch-Nieukerke, H.K., 2010. Quality assurance process of gold drillhole data. GeoScience Victoria Gold Undercover Report 22. Department of Primary Industries.


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