Abstract
Native ruthenium and platinum-bearing hedleyite were recognized in two gold deposits contained in Archaean metamorphic rocks in northern China. They are coexistent with native gold, quartz and pyrite. The high W content of native ruthenium may reflect the precipitation of ores in a W-rich hydrothermal system at moderate to high temperatures. The presence of platinum-group minerals (PGM) in the two deposits suggests that Au and PGE were both derived from mantle-source rocks.
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Peng, Q., Xu, H. The discovery of native ruthenium in Nuanquanzi and Tuling-Shihu gold deposits: Implications for source of gold. Chin. J. of Geochem. 13, 55–60 (1994). https://doi.org/10.1007/BF02870856
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DOI: https://doi.org/10.1007/BF02870856