In-situ leaching of a uranium orebody can only be successful if the deposit meets a number of essential criteria. These criteria are: 1. The ore occurs in a generally porous and permeable horizontal bed underlain and overlain by impermeable strata;...

The south-eastern Lake Frome Embayment in the vicinity of Quinyambie Station was explored for Upper and Lower Tertiary 'blanket' or 'roll front' type sedimentary uranium, via the drilling of 75 open vertical rotary mud holes with a total penetration...

The exploration concept was based on searching for secondary uranium mineralisation that might be derived from the Musgrave Block basement rocks and that could have become precipitated within calcrete horizons from ponded uraniferous surface drainage...

Aeromagnetic, ground magnetic and EM surveys, with follow-up rock chip, stream sediment and soil sampling, RAB drilling (688 holes, total 17,553 m) and RC drilling (12 holes, total 1149 m), have defined an extensive zone of anomalous base metal...

Continuing exploration in the Woomera area has included the acquisition of a ground magnetic and gravity survey over the Buller Dam anomaly, which lies on the western flank of the Acropolis aeromagnetic anomaly, and this work confirmed that the former...

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Initial exploration carried out near Lilydale Homestead, 80 kilometres south-east of Yunta, targeted possible Starra-style gold in the Braemar Ironstone facies. Flying of an airborne semi-detailed magnetic and radiometric survey identified magnetic...

Exploration for possible heavy mineral sand marine placer deposits within Tertiary sediments on the northern margin of the Murray Basin comprised aircore drilling (28 holes, total 744 m) in the Mutooroo station area, 50 km south-east of Olary. The...

To promote renewed regional exploration of the northern Yorke Peninsula using modern techniques and concepts, MESA as part of the SAEI programme has prepared a GIS-based data package, which incorporates a study of all available drillcore and a...

Exploration undertaken over an area located 60 km west of Port Augusta targeted possible Broken Hill or Aggeneys - Gamsberg type massive Pb-Zn deposits within Early Proterozoic Hutchison Group banded iron formation metasediments, and also any Early...

Exploration undertaken on ground situated east of Pernatty Lagoon has included the acquisition of extensive ground magnetic and gravity surveys plus a small aerial magnetic and radiometric survey, and performing many specific gravity and magnetic...

The licensee's 1981 coal search programme at Lake Phillipson had the following objectives: - delineation of the total extent of the coal measures; - resolution of seam stratigraphy and correlation of seams between the Main and West Areas; -...

Exploration for Olympic Dam-style Cu-Au-U mineralisation, undertaken over areas to the south-east of Arcoona Homestead and in the vicinity of Woomera township, has comprised numerous reconnaissance and then detailed gravity, ground magnetic and CSAMT...

Base metal exploration activities undertaken by Thiess Brothers in the Yumali - Coomandook area investigated several coincident regional gravity and aeromagnetic anomalies arising from concealed Palaeozoic basement rocks. These anomalies are part of a...

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153 rotary mud open holes (total 19,689 m) and 11 cored holes (total 1384 m) have been drilled during the reporting period to evaluate the Goulds Dam uranium deposit and to further explore the region to its north and south for sedimentary uranium...

77 rotary / diamond holes drilled by Pacminex (total 9385 m, including 196 m cored) plus another 53 holes drilled within SML 544 by joint venturer Esso (total 7029 m) indicate that a highly prospective radioactive mineralised zone occurs within...

Clay sample CE3989 has a brightness that is well below the requirements for a paper coating clay (85% or greater). Bleaching of the - 2 micron clay fraction increased the brightness to filler grade requirements (75-85%). Clay sample CE4008 has a...

348 reconnaisance air-core drillholes were completed on the subject ELs between 5 July and 3 October 1990. The best heavy mineral sand intersections were found near Immarna (EL 1602), with some zones approaching ore-grade percentages. Unfortunately,...

Ongoing copper exploration in the Mount Gunson area was directed primarily at locating economic stratiform mineralisation in the Tapley Hill Formation, which overlies Pandurra Formation and the associated Cattlegrid orebody. New work comprised...