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Microscopic, sub-volcanic visions

The Japanese-built FEG-EPMA (Field Emission Gun Electron Probe MicroAnalyser) forms an integral part of the suite of electron microbeam equipment in the School. The €1 million FEG-EPMA was funded through an ERC Advanced Grant to Professor Jon Blundy entitled ‘Critical Behaviour in Magmatic Systems’ (CRITMAG). The new instrument will be used to analyse the composition of rocks and minerals at a scale of a few hundred nanometers. In particular, scientists intend to unravel the complex sub-volcanic processes by analysis of lavas and ashes from volcanoes such as Mount St Helens (USA), Nevado de Toluca (Mexico) and Corbetti (Ethiopia).

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