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Geoscience Australia News
General News
- Thorium resources revealed
- Contract to provide improved data delivery service
- National Geochemical Survey reaches milestone
Remote Sensing News
The latest in remote sensing and satellite imagery.
AusGeo News
Our quarterly online magazine full of articles, in-brief columns and the latest product releases.
Geography in the News
This section contains satellite imagery of natural disasters and other significant events in Australia and surrounding regions (currently being updated).
Thorium resources revealed
Energy explorers in Australia have access to another valuable tool following the release of a report on Australia's thorium resources.
The report, which has been prepared as part of Geoscience Australia's Onshore Energy Security Program, is titled A Review of the Geochemical Processes Controlling the Distribution of Thorium in the Earth's Crust and Australia's Thorium Resources.
The report's authors, Terrence Mernagh and Yanis Miezitis, say that Australia contains about 19% of the world's identified thorium resources with most in the monazite component of heavy mineral sand deposits. The two scientists say that resources in heavy mineral sand deposits could amount to about 364,000 tonnes with about 88,000 tonnes occurring in other types of deposits.
More details are available at Geoscience Australia's Thorium project or obtain A Review of the Geochemical Processes Controlling the Distribution of Thorium in the Earth's Crust and Australia's Thorium Resources as a free download [PDF 908KB]
Contract to provide improved data delivery service
A contract signed recently by Geoscience Australia for the acquisition of a robotic Archive and Data Delivery system will result in significant efficiencies in the delivery of pre-competitive data to stimulate offshore petroleum exploration.
The system, which is being acquired as part of Geoscience Australia's Offshore Energy Security Program, will be supplied and supported by Tardis Services and IBM Australia.
The new system, which will allow more efficient data handling and provide better access to data for Geoscience Australia's clients, will have capacity for two petabytes or 2,000 terabytes of data on tape cartridges with 1.5 petabytes as a tape oriented library and 0.5 petabytes as a hierarchical file system.
The system will begin operating later this year and gradually supersede the current data storage which is on a variety of media and occupying several kilometres of shelf space.
The Chief Executive Officer of Geoscience Australia, Dr Neil Williams, said that initially, the system will cater for the massive offshore petroleum data repository, but added that it has the potential to support data well beyond that repository to include additional information such as Geoscience Australia's satellite imagery archive.
More details are available at IBM Australia media releases.
National Geochemical Survey reaches milestone
One of the most extensive geochemical data sampling and analysis projects ever undertaken has completed 50 percent of its collection phase.
The project is part of Geoscience Australia's Onshore Energy Security Program and involves the collection of samples from around 1400 large catchments across Australia in a cooperative venture with State and Territory agencies.
The project is aimed at providing information at the national scale on the concentrations of more than 60 mineral elements in each catchment, particularly those related to energy, including uranium and thorium.
The surveys are gathering geochemical data by sampling transported regolith which is deposited close to the outlet of each catchment. A surface and a deeper sample are being collected at each site using a sampling method developed in a series of pilot projects carried out in the New South Wales and Victorian Riverina region, the northern New South Wales Thomson region and in the Gawler region of South Australia.
Project coordinator, Dr Patrice de Caritat, said that the primary aim of the survey is to provide pre-competitive data and knowledge to support exploration for energy resources in Australia.
"The results of the survey will improve the existing knowledge of the concentrations and distributions of energy-related elements such as uranium and thorium as well as indicators of geothermal energy sources at the national scale," Dr de Caritat said.
"As well as assisting with expanding our knowledge about potential energy sources, the survey will pave the way for new mineral discoveries," he said.
Dr de Caritat said the huge task of preparing the samples for analysis is under way with analysis due to start later this year. A web-based geochemical atlas and accompanying report are scheduled for completion by June 2011.
"The data compilation, analysis and presentation in the web-based atlas and report will provide mining and exploration companies with a valuable resource in the search for new mineral deposits and sources of energy well into the future," Dr de Caritat said.
For more information visit the National Geochemical Survey of Australia, the Onshore Energy Security Program or Geoscience Australia's AusGeo News.