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GSWA Geochemistry

The WACHEM database is a compilation of multi-element geochemistry of rocks unconsolidated surface material (regolith) and drill core collected by the Geological Survey of Western Australia. Samples have been analysed for a range of major element oxides, trace elements, rare earth elements (REE), and isotopes by a variety of analytical approaches at commercial, government and university laboratories. In most cases, analysis of unknowns has been carried out along with samples of know composition (reference materials), a second sample of the unknown (sample duplicate), and material which does not contain detectable amounts of elements of interest (blank). These data are included with analysis of unknowns, and these quality control data can be used to gauge the quality of analysis. For inclusion in the geochemical database, analytical data for each element in each sample must include the unit of measurement, lower level of detection (LLD) of that element, and an indication of the analytical technique (usually specified as a laboratory-specific code). To minimise the inclusion of spurious data in the database, analytical batch data are loaded with reference to a set of look up tables, against which data can be checked for consistency.

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Data Access Statement

licensed under a Creative Commons Attribution 4.0 International licence

Data and Resources

Additional Info

Field Value
Data Portal http://www.dmp.wa.gov.au/datacentre
Data Homepage
Author Chief Geoscientist
Maintainer Darren Wallace
Theme Natural Resources
Geospatial Theme Industry and Mining
Published on
Data last updated on
Update Frequency frequently
Temporal coverage from
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Digital Object Identifier
Citation
Geospatial Source Projection GDA94
Dataset Coverage

Dataset extent

Map data © OpenStreetMap contributors
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