auriferous, pyritic, quartz-pebble conglomerate (gold ore) (vaal reef, witwatersrand supergroup, neoarchean, 2.76-2.89 ga; stilfontein mine, north west province, south africa) 4 color palette

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#66615E #302D2B #9A9597 #D5D3D5 #857F7A

related tags: 2F2D2C 302D2B 66615E 827F7D 857F7A 9A9597 D5D3D5 D5D4D5 africa archean conglomerate gold neoarchean ore precambrian pyrite south witwatersrand 646160 999697