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Basalt (Upper Pleistocene, ~73 ka; Vulcan's Throne Cinder Cone, Uinkaret Volcanic Field, Arizona, USA) (46547522024).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 4 (31245320881).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 2 (31245322371).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 5 (30991113420).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 6 (31360247725).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 9 (30991110630).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 8 (31360246705).jpg - Ser Amantio di Nicolao
Porphyritic rhyodacite (O'Leary Porphyry, Middle Pleistocene; O'Leary Peak, Arizona, USA) (27745649518).jpg - Ser Amantio di Nicolao
Volcanic bomb (basaltic andesite) (Upper Pleistocene, 71 ka; SP Crater cinder cone, Coconino County, Arizona, USA) 3 (30991115090).jpg - Ser Amantio di Nicolao
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