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Chief Geoscientist - Geoheritage Sites
Geoheritage sites are natural features of the Earth that are considered to be unique within Western Australia and to have significant geoscientific and educational values. The register of the State's Geoheritage Sites is maintained by the Geological Survey of Western Australia and made available to the public. Documentation of sites has largely been carried out by the Geological Monuments Subcommittee of the Geological Survey of Australia, and is stored in written reports. The digital database has been derived from these reports, and is linked to a Geographic Information System which provides broad characteristics for any registered site by reference to a site ID.
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연관 데이터
Chief Geoscientist - GSWA Geochemistry (DMIRS-047)
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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.
Tasmanian Geoconservation Database (Natural Values Atlas: Geodiversity)
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A database of Tasmanian geological, geomorphological (landform), and pedological (soil) sites, features, areas and systems considered to be of significant conservation, scientific or heritage value. Site values are classified according to formative process into 81 types, which are further subdivided by geological age. Multiple values may be attributed to a site. Values are assigned significance on a five level scale ranging from local to global. Significance is determined by an expert panel, the Tasmanian Geoconservation Database Reference Group, which assesses site nominations on behalf of DPIPWE. Site entries contain a text description, statement of significance, an indication of susceptibility to potential threats, management notes and references amongst other details. Spatial data defining site extent is associated and images are progressively being added. The LIST presents a highly abridged version of the full Natural Values Atlas dataset. The LIST version is updated weekly.
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