Summary Lineaments that transect the Yilgarn Block represent fundamental shear zones in the craton and were of paramount importance in controlling its geologic evolution. In this study, the central Southern…
Published: 7 July 2020
Summary Synthetic rutile production produces about 0.25 Mt/year of wastes. The two major waste types are iron oxide waste and neutralised acid effluent waste. Glasshouse experiments showed that addition of…
Published: 7 July 2020
Summary The results of this study indicate that the great majority of Archaean gold deposits in the Yilgam Block belong to a single group in terms of: (i) the suite…
Published: 7 July 2020
Summary The likely effects of variations of exchange rates between the Australian dollar, the US dollar, the Deutschmark and the Yen on prices of four commodities – coal, iron ore,…
Published: 7 July 2020
Summary From studies on a wide spectrum of problems related to seismic methods of petroleum exploration, some worthwhile advances have been made in data processing and interpretation. Problems investigated included…
Published: 7 July 2020
Summary Native heaths (Epacridaceae) fail to rehabilitate consistently in sufficient numbers to guarantee a return to pre-mined floristic diversity and biomass. On average, less than 10% of heath species are…
Published: 7 July 2020
Summary Field trials were conducted on the sponsoring companies mine sites at Leonora, Laverton, Leinster and Mt Magnet. The sites were highly variable, but were mostly alkaline and saline. Seventy…
Published: 7 July 2020
Summary A laboratory scale selective flocculation process, capable of recovering iron oxide from a sample of ultrafine (< 10 µm) iron ore tailings containing kaolinite and other gangue minerals, was…
Published: 7 July 2020
Summary Fourteen species of sedges, rushes and bulrushes were studied to develop suitable propagation techniques. Rhizome transplantation techniques were developed following trials made at three wetland sites and under controlled…
Published: 7 July 2020
Summary Following a review of published material on the process of ignition and flash smelting, a test programme was conducted on a pilot flash smelter. The variables examined were the…
Published: 7 July 2020
Summary Five refractory gold ores were characterised according to their mineralogy and refractory behaviour. The mineralogy and processing response of flotation concentrates produced from the ores were investigated. Ultrafine milling…
Published: 7 July 2020
Summary The morphology, viability, germination and dispersal of seeds were studied for Hibbertia hypericoides, H.commutata. H.huegelii, H.amplexicaulis, H.serrata and H.cuneiformis. Keywords: Hibbertia, propagation, morphology, viability
Published: 7 July 2020