Gold (Var: Electrum), Gold
Upper Edie Creek, Edie Creek goldfield, Morobe goldfields, Morobe Province, Papua New Guinea
Detail of an alluvial grain (from same sample as shown in photo MYU-9VM) in polished section. The core zone is electrum (El) while the yellow rind and some interior zones are essentially pure gold (Au). A similar image is shown in Edwards (1947) Textures of the Ore Minerals and Their Significance. AusIMM, Melbourne, 185 pp.
Contrast between the ...
© Ben Grguric