Kerkasha - Eritrea
Silicified diorite with quartz-pyrite-chalcopyrite veins with adularia(?) selvage.
Fracture coating with strong molybdenite and chalcopyrite mineralization AND003.
Fracture coating with strong molybdenite and chalcopyrite mineralization AND003.
Highly distorted quartz-pyrite-chalcopyrite vein in potassic alteration zone AND003.
Diorite with strong potassic alteration and highly distorted quartz-chalcopyrite veining.
Strong potassic alteration with monzonite fragments displaying intense sulfide replacement of silicates AND003.
Strong potassic alteration with monzonite fragments displaying intense sulfide replacement of silicates AND003.
Highly distorted quartz-pyrite-chalcopyrite vein cross-cut by barren calcite veins in strong potassic alteration zone, 223.5m AND003.
A monzonite breccia fragment in the strong potassic core zone of AND003 displaying extensive sulfide replacement of silicates. The dark areas are largely magnetite.
Magnetite and sulfide replacement of silicates with a cross-cutting milky-white quartz vein. Note the potassic embayment traveling along the quartz vein.
Strong potassic alteration with modified A-Type veins in the “potassic core” of AND003.
Brick-red hematite-dusted potassic alteration found deep in AND004 compared to the pale-pink to cream-colored potassic alteration found at shallower levels in AND003.
Strong chalcopyrite mineralization typical of the highest-grade zones of both AND001 and AND005.
Strong chalcopyrite mineralization from the highest-grade zone of AND005.
Strong chalcopyrite mineralization from AND005.
Example of the massive (up to 1m wide) quartz-adularia-black chlorite veins found at Anagulu which often carry “flashy” chalcopyrite.
Highly mineralized chalcopyrite zone from AND001 with strong potassic alteration.