Precompetitive Review

A unique and dedicated source of news and insights on Australian precompetitive geoscience for mineral exploration

Latest News

Study redefines craton boundaries and shows stunning link to sed-hosted and IOCG deposits

Study redefines craton boundaries and shows stunning link to sed-hosted and IOCG deposits

The search space for sediment-hosted and IOCG deposits has been drastically reduced by remarkable new mapping of craton boundaries by ...
New satellite systems as good as flying your own hyperspectral, continent-wide and it's free

New satellite systems as good as flying your own hyperspectral, continent-wide and it’s free

Testing by CSIRO and the Geological Survey of WA of a new generation of satellite-borne ...
Geochronology and mapping of Gawler's Nuyts Domain suggests layered mafics and defines new sediment package

Geochronology and mapping of Gawler’s Nuyts Domain suggests layered mafics and defines new sediment package

A new study by the Geological Survey of South Australia of the under-explored Nuyts Domain ...
West Arunta looks like part of a global bloom of carbonatites as Rodinia broke up

West Arunta looks like part of a global bloom of carbonatites as Rodinia broke up

West Arunta’s niobium and REE deposits were created in a time window almost unique among ...
SA's revolutionises its data to accelerate discovery, begins remap of entire state

SA’s revolutionises its data to accelerate discovery, begins remap of entire state

The Geological Survey of South Australia is totally renewing how it manages and delivers data ...
100-metre magnetics over West Arunta among flood of geophysical surveys around the country

100-metre magnetics over West Arunta among flood of geophysical surveys around the country

The second half of 2025 has been a busy period of geophysical data acquisition around ...
Crustal seismic survey already underway in GA’s next deep dive region of Georgetown-Julia Creek

Crustal seismic survey already underway in GA’s next deep dive region of Georgetown-Julia Creek

Geoscience Australia has named Georgetown-Julia Creek as its next “Deep Dive” region, following in the ...

In Brief...

NTGS report provides vectors for uranium in Alligator Rivers

A detailed study of the high-grade Angularli uranium deposit by the Northern Territory Geological Survey provides new vectors for unconformity-style…

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New map sheet in heart of Lawn Hill and South Nicholson

The Northern Territory Geological Survey has released a major update to the Mt Drummond mapsheet. The new edition includes 42…

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CSIRO-GSQ study of major QLD deposits

The Geological Survey of Queensland has teamed up with CSIRO to conduct Maia Mapper studies of mineralisation of more than…

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Deep structure of western Yilgarn margin revealed

The Geological Survey of WA has released data from three regional seismic lines shot in 2023-24 across the western edge…

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+99% silica found by GA sampling campaign

Explorers with their eye on silica can gain a headstart with results of a new Geoscience Australian sampling campaign. A…

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GA releases new geochron across Victoria

Geoscience Australia has released new U-Pb zircon geochronology data from granitoid rocks collected across Victoria as part of the $225m…

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GSSA launches new data catalogue

The Geological Survey of South Australia this week launched a new data catalogue within its SARIG platform. The catalogue provides…

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GSNSW open for $2.5 million in co-funding

The Geological Survey of NSW this week open the application period for $2.5 million in co-funding under a new Critical…

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AusLAMP data released over Boulia

Geoscience Australia and the Geological Survey of Queensland have released a small but well targeted batch of new AusLAMP data…

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Co-funding offer from Tasmania

The Tasmanian Government is enticing critical mineral explorers with an offer to co-fund up to $90,000 for exploration drilling. A…

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100-metre magnetics and radiometrics in Murchison and Gascoyne

GSWA is conducting an airborne magnetic and radiometric survey at a line spacing of 100 metres to dramatically improve imaging…

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GA database on Ge, In, Ga and Cd in zinc ores

Geoscience Australia has released a database of Ge, In, Ga and Cd in sphalerite, along with estimates of the endowment…

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GSSA releases 2024 radiometric map of SA

The Geological Survey of SA has released its 2024 Radiometric Map of SA. The new dataset represents a big advance…

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Airborne gravity completed in Victoria

A 150,000-sq.km airborne gravity survey has been completed over the eastern half of Victoria on flight line spacings of just…

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National 3D models of density and magnetic susceptibility

Geoscience Australia has released national 3D models of density and magnetic susceptibility to a depth of 55.5 km. Among other…

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NE Qld AusAEM survey completed

Acquisition of a big extension of AusAEM into northeast and central QLD has been completed. The survey covers almost 30,000…

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3D data compilation of Birrindudu

The Northern Territory Geological Survey (NTGS) has released a 3D compilation of open-file data for the Birrindudu Basin and its…

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Anorthosite mining in SA?

Deep weathering of Hiltaba Suite granites on the Gawler Craton means South Australia likely has great potential for high-grade kaolin…

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1,007 NSW rocks added to Isotopic Atlas

Geoscience Australia has added 1,007 U-Pb ages of rocks, sediments and minerals in NSW to the Isotopic Atlas within the…

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100-metre Einasleigh magnetics

The Geological Survey of Queensland expects to release high resolution magnetics and radiometrics over the Einasleigh region by the end…

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GSQ, GA release two airborne gravity surveys

The Geological Survey of Queensland and Geoscience Australia have released the Etheridge and Blackall Airborne Gravity Gradiometry surveys at 1…

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NGSA, NAGS added to Levelled Geochemical Baseline

Geoscience Australia has brought its two big regional geochemical surveys – the National Geochemical Survey of Australia (NGSA) and the…

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Deep crustal seismic through Julimar released this week

GSWA’s much-anticipated deep reflection seismic data through the Midwest region will be released on 15 August. Data will become available…

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Geochemical data release on source rocks in the Stuart Shelf

Geoscience Australia has released a second batch of geochemical data aimed at finding source rocks on the Stuart Shelf. The…

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New paper of genesis of world’s largest MVT deposit

The Chinese Academy of Sciences has released an open access paper on the “anatomy and genesis of the world’s largest…

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New data backs porphyry Cu fertility in Delamerian in SA

A new paper led by Wei Hong (former MinEx CRC/GSSA researcher and now UTAS Research Fellow) makes a strong case…

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In the future, bacteria could extract your REEs

Biologists have discovered bacteria in the Solfatara Crater in Italy that gobble up REEs, creating potential for biological processing of…

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NZ releases national soil geochemistry atlas

New Zealand’s geoscience agency has released a national atlas of soil geochemistry, with a full suite of 65 elements from…

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New database of all GA active and passive seismic

Geoscience Australia and its state partners have been shooting deep crustal seismic lines for decades, which means there could be…

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NSW releases multiple surveys

NSW’s Minister for Resources, Courtney Houssos, this week announced a number of geophysical data releases ahead of GSNSW’s annual Exploration…

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Two major surveys set to begin flying in NE QLD

Geoscience Australia and GSQ will begin acquisition by the end of June of 33,000 line-km of airborne gravity gradiometry (AGG)…

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Zn, Cu skarn mineralisation in NE QLD tied to younger magmas

New UQ-GSQ research on the Mt Garnet skarn deposit (where Kagara Zinc delineated 4 Mt @ 6% Zn and 0.34%…

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New indicators for sanukitoid gold followers in the Yilgarn

Researchers at the Centre for Exploration Targeting have a new paper with ideas for discovery of multi-million-ounce sanukitoid gold deposits…

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Graphite prospectivity report in SA

The Geological Survey of South has released a prospectivity report on graphite, noting that SA actually has two-thirds of Australia’s…

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New lithium data across national catchments

Lithium explorers have a whole new national dataset to work with. GA released on 13 February acid digest results for…

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Paleovalley maps in western Gawler

Paleovalleys anywhere near the uranium-rich Gawler Craton are hot property at the moment, so there will be interest in a…

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Pedirka gravity and reprocessed seismic

NTGS has released a major ground gravity dataset in the Pedirka Basin in the southeast of the Northern Territory. Gravity…

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New geochronology delivers surprises under the Birrindudu Basin

New geochronology delivers surprises under the Birrindudu Basin

Some of the basement under the Birrindudu Basin appears to be at least 200 million years older than previously thought ...
Delamerian time-space plot shows the way to mineral systems along huge convergent margin

Delamerian time-space plot shows the way to mineral systems along huge convergent margin

The latest release from Geoscience Australia’s Resourcing Australia’s Prosperity initiative deep dive into the Delamerian Orogen is a detailed time-space ...
3D major boundaries map visualises national crustal architecture

3D major boundaries map visualises national crustal architecture

Geoscience Australia has released a 3D edition of its Major Crustal Boundaries dataset, giving explorers an expert view of hidden ...
GSWA’s model changes the game for Li discovery in Archean and maybe younger terranes too

GSWA’s model changes the game for Li discovery in Archean and maybe younger terranes too

The Geological Survey of WA has leveraged its vast datasets of whole rock isotopes and geochemistry to develop a new ...
Regional seismic in SA reveals major structure with reactivation history over > 1 billion years

Regional seismic in SA reveals major structure with reactivation history over > 1 billion years

Interpretation of Geoscience Australia’s seismic line in 2022 across the northern Mt Lofty Ranges and the Murray Basin in South ...
Lessons for the future from 9,156 mineral deposits of the past 123 years

Lessons for the future from 9,156 mineral deposits of the past 123 years

The doyen of mineral economists, Richard Shodde, has produced a remarkable paper on discovery trends in mineral exploration between 1900 ...
Fifteen years in the making, a major advance opens new front in porphyry Cu exploration

Fifteen years in the making, a major advance opens new front in porphyry Cu exploration

The formation of porphyry copper deposits (PCDs) does not need actively subducting oceanic crust,  according to major new research that ...
New model could be key to breaking Pb-Zn discovery drought in northern Australia

New model could be key to breaking Pb-Zn discovery drought in northern Australia

A new paper about the origin of sediment-hosted Pb-Zn deposits in the Carpentaria Zinc Province makes a strong case against ...
'Georgina Event' identified in South Nicholson region

‘Georgina Event’ identified in South Nicholson region

Techniques developed by the petroleum industry to wind back the clock on basin evolution have been applied to the Carrara ...
MinEx CRC-backed PhD pinpoints the datasets that matter in predictive models

MinEx CRC-backed PhD pinpoints the datasets that matter in predictive models

A PhD study of the ability of datasets to predict gold deposits on the Yilgarn Craton has advanced the science ...