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A team of Curtin University geoscientists has discovered the earliest known occurrence of reidite, one of Earth’s rarest minerals.
• Prof Brent Mc Innes (Curtin Jd LC), who demonstrated the applications of the TIMA to Archeology, Petrology, Geochemical Mapping, and the Characterisation of Mineral & Petroleum Systems.
Professor Reddy used a technique called electron backscatter diffraction (EBSD) to effectively discriminate between reidite and its compositionally identical host zircon. Dr Lesley Wyborn (NCI) was "pleased to see the Jd LC and the community making progress in achieving what [she] has been trying to achieve for the last 30 years in Australian Geochemistry Laboratories ". Analytical pyrolysis for determining the molecular composition of contemporary monosulfidic black ooze.
The discovery paves the way for developing reidite as a proxy for meteorite impact events that can be extended back in geological time to provide insights into Earth’s early impact record. Tulipani, S., Grice, K., Greenwood, P., Schwark, L., Haines, P. Jd LC is looking forward to expanding its data delivery services to include geochemistry data from its Sensitive High Resolution Ion Micro Probe (SHIMP) and laser ablation instruments in the future. As the downturn in mineral prices continues to drag on Australia’s economy, a project led by Perth’s Curtin University is seeking to create an open access digital mineral inventory of WA that it hopes could stimulate interest in further exploration in the state. Journal of Analytical and Applied Pyrolysis 102, 1-170 Sr-Nd-Pb, and Zircon Hf-O isotopic compositions of eocene-oligocene shoshonitic and potassic adakite-like felsic intrusions in western Yunnan, SW China: Petrogenesis and tectonic implications Petrogenesis of the Early Eocene adakitic rocks in the Napuri area, southern Lhasa: Partial melting of thickened lower crust during slab break-off and implications for crustal thickening in southern Tibet Early Late Cretaceous (ca.
“The discovery of this Precambrian occurrence indicates the potential for using the presence of reidite to indicate and record very ancient impact events,” Professor Reddy said.
“It is a breakthrough discovery that will help determine terrestrial impact events which have had a profound influence on Earth’s geological, geochemical and biological evolution.” Deputy Vice-Chancellor Research and Development Professor Graeme Wright said Curtin is at the forefront of high-impact research and development in minerals and energy sectors.