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Realgar & pararealgar & calcite on marble (Middle Eocene mineralization, 39 Ma; Getchell Mine, northern Osgood Mountains, northern Nevada, USA) 1
by James St. John
by James St. John
24_Vicinity of Richmond part of Manchester & Chesterfield Co.
by VCU Libraries Commons
by VCU Libraries Commons
No known copyright restrictions(著作権制限なし)
Realgar & pararealgar & calcite on marble (Middle Eocene mineralization, 39 Ma; Getchell Mine, northern Osgood Mountains, northern Nevada, USA) 2
by James St. John
by James St. John
Realgar & pararealgar & calcite on marble (Middle Eocene mineralization, 39 Ma; Getchell Mine, northern Osgood Mountains, northern Nevada, USA) 2
by James St. John
by James St. John
Realgar & pararealgar & calcite on marble (Middle Eocene mineralization, 39 Ma; Getchell Mine, northern Osgood Mountains, northern Nevada, USA) 1
by James St. John
by James St. John
Ceraurinus icarus (fossil trilobite) (Liberty or Whitewater Formation, Upper Ordovician; west of Camden, Ohio, USA)
by James St. John
by James St. John
361件～420件 (全 1,744件)