About this Demonstrator
This demonstrator is a unique new tool for the publication of mineralogical and image content of Australian drill cores and drill chips fostering novel world-class research.
The Auscope National Virtual Core Library (NVCL) Demonstrator is an initiative of CSIRO Exploration and Mining to test concepts for the deployment of a nation-wide, on-line, public-access tool to the substantial drill core holdings of Australian State, Territory and Federal Agencies and sponsoring Private Companies. The demonstrator also serves as a prototype for proprietary intranets supporting multi-party interrogation of private company drilling programs.
This demonstrator comprises: (i) an SQL database server fed from (ii) the TSG-Core analytical software package and (iii) a client interface and search tool accessible from a standard web browser.
About the Auscope NVCL
The Auscope NVCL is a component of Capability 5.13 “Structure and Evolution of the Australian Continent” of the Australian Government’s National Collaborative Research Infrastructure Scheme (NCRIS). Capability 5.13 is administered by the not-for-profit company AuScope Ltd and is expected to involve collaboration between Auscope, CSIRO and each of the State and Territory Geological Surveys whose logos appear below.
The NVCL, which is a program of the Auscope National GeoTransects Program, has the goal of progressively building a novel high-resolution image of earth materials and properties for the upper one to two km of the Australian continent, and facilitating world-class geoscience research. The NCVL will contain both mineralogical and image content describing the geology of a selection of the nation’s most valuable drill core assets. This is information is currently captured using CSIRO’s suite of HyLogging™ Systems technologies.
HyLogging™ Systems are a suite of hardware and software tools for the non-destructive spectroscopic scanning of diamond drill cores and drill chips in their original trays. The systems comprise the HyLogger™ for diamond cores, HyChips™ for drill chips and blast-hole cuttings, the TIR-Logger for anhydrous silicate minerals, and the TSG-Core software package.
The systems work by moving drill core and chip trays on a robotic table beneath the fixed gaze of several reflectance spectrometers, a laser profiler and a high-resolution digital imaging system. The spectral data stream comprises visible and infrared light differentially reflected and absorbed by selected minerals in the field-of-view of the instruments. The field-of-view of the spectrometers is nominally 10mm and samples are collected contiguously. The resolution of the imaging system is 0.1 mm. From the spectroscopic data information about the mineralogical content (species and relative abundance) of the drilled material can be interpreted and is derived from specific molecular absorption features of many minerals.
The mineralogical information, supported by the high-resolution imagery, gives geologists and metallurgists a new set of eyes to gain greater insight into the composition of the earth and increases the objectivity of interpretations. The HyLoggers can scan core trays at the rate of between 500-700 m per day. More information can be found at: www.csiro.au/csiro/content/standard/ps1y6.html.
About the Developers
The demonstrator is being built by Peter Warren, Peter Mason and Jon Huntington and is currently supported by CSIRO’s Minerals Down Under (MDU) National Research Flagship, and the Auscope National Virtual Core Library.
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