James St. John:
Gold-quartz hydrothermal vein rock (Archean; Granada Mine, south of Rouyn-Noranda, Quebec, Canada) 1
James St. John:
Gold-quartz hydrothermal vein rock (Archean; Granada Mine, south of Rouyn-Noranda, Quebec, Canada) 2
James St. John:
Gold-quartz hydrothermal vein rock (Archean; Granada Mine, south of Rouyn-Noranda, Quebec, Canada) 3
James St. John:
Gold-quartz hydrothermal vein rock (Archean; Granada Mine, south of Rouyn-Noranda, Quebec, Canada) 4
James St. John:
Gold-quartz hydrothermal vein rock (Archean; Granada Mine, south of Rouyn-Noranda, Quebec, Canada) 5