Schaefer Origin











alaska gold mine district grant mining vein quartz fairbanks sulfide hydrothermal cretaceous
Gold-quartz-sulfide hydrothermal vein (O'Dea Vein or Irishman Vein, Late Cretaceous; Grant Mine, Fairbanks Mining District, Alaska, USA) 2
Gold-quartz-sulfide hydrothermal vein from the Cretaceous of Alaska, USA. (cut & polished slab; public display, Leadville Mining Museum, Leadville, Colorado, USA) This is hydrothermal vein rock from the Grant...
Photo by James St. John on Flickr
alaska gold mine district grant mining vein quartz fairbanks sulfide hydrothermal cretaceous
Gold-quartz-sulfide hydrothermal vein (O'Dea Vein or Irishman Vein, Late Cretaceous; Grant Mine, Fairbanks Mining District, Alaska, USA) 4
Gold-quartz-sulfide hydrothermal vein from the Cretaceous of Alaska, USA. (cut & polished slab; public display, Leadville Mining Museum, Leadville, Colorado, USA) A mineral is a naturally-occurring, solid,...
Photo by James St. John on Flickr
alaska gold mine district grant mining vein quartz fairbanks sulfide hydrothermal cretaceous
Gold-quartz-sulfide hydrothermal vein (O'Dea Vein or Irishman Vein, Late Cretaceous; Grant Mine, Fairbanks Mining District, Alaska, USA) 3
Gold-quartz-sulfide hydrothermal vein from the Cretaceous of Alaska, USA. (cut & polished slab; public display, Leadville Mining Museum, Leadville, Colorado, USA) This is hydrothermal vein rock from the Grant...
Photo by James St. John on Flickr