Invisible gold revealed in supergene and hypogene environments

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Nanoparticulate gold• Colloidal suspension• Affects UV-Vis and colour ofsuspensions• Controlled growth of size andshape of particleTsuji et al., 2005• Stable form of transport: colloidcan remain stable up to 400°C(relevant to hydrothermaltransport)Insert presentation title
Insert presentation title
Page 1 and 2: Invisible gold revealed in supergen
Page 3 and 4: Yilgarn Craton - SalinityModelledgr
Page 5 and 6: Supergene depletion of Au in the Yi
Page 7 and 8: Laser ablation transect of Au distr
Page 9 and 10: 4Dissolved Au vs. Fe (pH < 5.4)AuCl
Page 11 and 12: Primary gold in quartz, iron oxide
Page 13 and 14: SEM: Back-scattered electron images
Page 15 and 16: Electron transparent goldInsert pre
Page 17 and 18: Insert presentation title
Page 19 and 20: Octahedra precipitated later (dryin
Page 21: Faraday 1850 - changed gold sols bl
Page 27 and 28: Gold chloride evaporation: Extracta
Page 29 and 30: arytes - evaporite ‘rose’Insert
Page 31 and 32: Maia-96 at the Australian Synchrotr

Invisible gold revealed in supergene and hypogene environments

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