Specimens of radioactive ferruginous sandstone from Madigan's Prospect, Bynoe Harbour, N.T., have been examined by autoradiographic, mineragraphic, mineralogical, and petrographic methods, and tested treated, and analysed chemically; radiation measurements have been made at appropriate stages in the investigation to ascertain the behaviour and distribution of the radioactive material.

Dr Andy Barnicoat's presentation at the China Mining Conference 2012 in Tianjin.

Increases in atmospheric CO¬2 cause the oceanic surface water to continuously acidify, which has multiple and profound impacts on coastal and continental shelf environments. Here we present the carbonate mineral composition in surface sediments from a range of continental shelf seabed environments and their current and predicted stability under ocean acidifying conditions. Samples come from the following four tropical Australian regions. 1. Capricorn Reef (southern end of the Great Barrier Reef). 2. The Great Barrier Reef Lagoon. 3. Torres Strait. 4. The eastern Joseph Bonaparte Gulf. Outside of the near-shore zone, these regions typically have a carbonate content in surface sediments of 80 wt% or more. The abundance of high magnesium-calcites (HMC) dominates over aragonite (Arag) and low magnesium-calcite (LMC) and makes up between 36 and 50% of all carbonate. HMC is significantly more soluble than Arag and LMC and the solubility of HMC positively correlates with its magnesium concentration. Using the solubility data by Plummer and Mackenzie (1974) (1), 96% of HMC in the four regions is presently in thermodynamic equilibrium or slightly supersaturated relative to global mean tropical sea surface water. When the modelled saturation state for aragonite in equatorial areas for this century (2) is converted into HMC saturation state curves, HMC is predicted to become undersaturated in the four regions between 2040 to 2080 AD with typical HMC decline rates between 2 and 5% per year. The range of respective estimated carbonate dissolution rates is expected to exceed current continental shelf carbonate accumulation rates leading to net dissolution of carbonate during the period of HMC decline. In a geological context, the decline in HMC is a global event in tropical continental shelf environments triggered by reaching below-equilibrium conditions. The characteristic change in carbonate mineral composition in continental shelf sediments will serve as a geological marker for the proposed Anthropocene Epoch.

The Exploring for the Future program is an initiative by the Australian Government dedicated to boosting investment in resource exploration in Australia. As part of the Exploring for the Future program, this study aims to improve our understanding of the petroleum resource potential of northern Australia. This data release presents new field emission scanning electron microscopy (FE-SEM) of broad ion beam- polished samples (BIB-SEM) to visualise mineral and organic matter (OM) porosity on 15 Proterozoic aged shales. Samples were selected from the Velkerri and Barney Creek formations in the McArthur Basin and the Mullera Formation, Riversleigh Siltstone, Lawn Hill and Termite Range formations in the South Nicholson region. Qualitative maceral analysis of the 15 samples are described in addition to bitumen reflectance measurements. These samples were analysed at the Montanuniversität Leoben, Austria in June 2020. The results of this study can be used to improve our understanding of porosity, microstructures, seal capacity and hydrocarbon prospectivity of Proterozoic aged sedimentary basins in northern Australia.

Collection of mineral and meteorite specimens derived from Geoscience Australia (GA) surveys, donations, purchases and bequests, some of which are held for Australian National Museum. Sample are displayed in GA foyer, National Museum of Australia, Miners Hall of Fame in Kalgoorlie, Department of Resources, Energy and Tourism (RET) and Australian Petroleum Production and Exploration Association (APPEA) and in several other organisations. Co-located is a teaching set of rocks and minerals used by the education centre, the 'Crown Jewels' large ore/rock specimens, off-cuts from building stone used in the construction of Parliament House, and presentation boxes of rock or mineral specimens given to GA staff in Australia and overseas.

The collection supports the compilation of national mineral resource and production statistics, and mineral prospectivity analysis. The collection includes the OZMIN database (Australian mineral deposit descriptions including geological, resource and production data); the MINLOC database (mineral occurrence locations sourced from Geoscience Australia and state and territory geological surveys); supporting GIS datasets (eg,mineral prospectivity datasets, ports, power stations); maps and reports.

This report outlines the headings under which mineral statistics might be collected, and the information that is required from metal and mineral producers. Attached are lists of metals and mineral products under the appropriate classes.

This guide provides information on investing in minerals and petroleum in Australia. This 2020 version is for distribution at conferences and online. Japanese and Korean translations of this guide were made available in October 2021.

This guide provides information on investing in minerals and petroleum in Australia. It is for distribution at conferences and online. The chapters are 01. MINERALS AND PETROLEUM AND THE AUSTRALIAN ECONOMY 02. EXPLORING FOR MINERALS IN AUSTRALIA 03. EXPLORING FOR PETROLEUM IN AUSTRALIA 04. ROLE OF GOVERNMENT 05. FOREIGN INVESTMENT GUIDELINES AND BUSINESS ENTRY INTO AUSTRALIA 06. ONSHORE APPROVAL PROCESSES 07. OFFSHORE APPROVAL PROCESSES 08. INDUSTRY GROWTH CENTRES 09. SOCIAL LICENCE TO OPERATE 10. MINE HEALTH AND SAFETY 11. WORKING VISAS, IMMIGRATION AND SKILLS 12. INDIGENOUS ENGAGEMENT 13. TRANSPORT INFRASTRUCTURE 14. MINING EQUIPMENT, TECHNOLOGY AND SERVICES 15. TARIFFS AND CUSTOMS DUTY CONCESSIONS 16. TAXATION-GENERAL 17. TAXATION-PETROLEUM 18. TAXATION-MINERALS

This guide provides information on investing in minerals and petroleum in Australia. This 2017 version is for distribution at conferences and online. The chapters are: 01. Minerals and petroleum and the Australian economy 02. Exploring for minerals in Australia 03. Exploring for petroleum in Australia 04. Role of government 05. Foreign investment guidelines and business entry into Australia 06. Onshore approval processes 07. Offshore approval processes 08. Industry growth centres 09. Social licence to operate 10. Mine health and safety 11. Working visas, immigration and skills 12. Indigenous engagement 13. Transport infrastructure 14. Mining equipment, technology and services 15. Tariffs and customs duty concessions 16. Taxation - General 17. Taxation - petroleum 18. Taxation - minerals 19. Appendix A