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tholeiitic

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End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Lily Pond Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 6
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Lily Pond Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 3
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 10
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 10
by James St. John

クリエイティブ・コモンズ 表示 2.1


End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 12
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 12
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 3
Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 5
Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 11
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 11
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 6
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 2
Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 4
Sulfidic basaltic lapillistone (copper ore) (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Basalt (McCartys Flow, Holocene, ~2.4 to 3.9 ka; southeast of Grants, New Mexico, USA) 14
Basalt (McCartys Flow, Holocene, ~2.4 to 3.9 ka; southeast of Grants, New Mexico, USA) 14
by James St. John

クリエイティブ・コモンズ 表示 2.1


End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 8
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 3
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Lateral breach in an end-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 2
Lateral breach in an end-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Lateral breach in an end-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 3
Lateral breach in an end-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 5
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Basalt (McCartys Flow, Holocene, ~2.4 to 3.9 ka; southeast of Grants, New Mexico, USA) 8
Basalt (McCartys Flow, Holocene, ~2.4 to 3.9 ka; southeast of Grants, New Mexico, USA) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1


End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 1
End-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 22
Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 22
by James St. John

クリエイティブ・コモンズ 表示 2.1

Lateral breach in an end-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 1
Lateral breach in an end-Pleistocene large pothole in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Bake Oven Pothole, Interstate State Park, Taylors Falls, Minnesota, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1


Peperite (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just southwest of the Potter Mine, east of Timmins, Ontario, Canada) 4
Peperite (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just southwest of the Potter Mine, east of Timmins, Ontario, Canada) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 13
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 13
by James St. John

クリエイティブ・コモンズ 表示 2.1

Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 23
Dikes intruding tillite (Nipissing Diabase & Gowganda Formation, Paleoproterozoic; Percival Lake roadcut, Ontario, Canada) 23
by James St. John

クリエイティブ・コモンズ 表示 2.1


Plumose marking on joint surface in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2
Plumose marking on joint surface in tholeiitic basalt (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Metasequoia (fossil wood) (Early Eocene, 50-56 Ma; Brown's Hill Quarry, near North Pole, Alaska, USA) 4
Metasequoia (fossil wood) (Early Eocene, 50-56 Ma; Brown's Hill Quarry, near North Pole, Alaska, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 7
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1


Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 37
Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 37
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 1
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 39
Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 39
by James St. John

クリエイティブ・コモンズ 表示 2.1


Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 3
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 38
Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 38
by James St. John

クリエイティブ・コモンズ 表示 2.1

Paleosol between basalt lava flows (Lower Eocene, 50-56 Ma; Brown's Hill Quarry, near North Pole, Alaska, USA)
Paleosol between basalt lava flows (Lower Eocene, 50-56 Ma; Brown's Hill Quarry, near North Pole, Alaska, USA)
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sulfidic argillite & polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 4
Sulfidic argillite & polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 5
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 2
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1


Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 5
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 7
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 7
by James St. John

クリエイティブ・コモンズ 表示 2.1

Agglutinated volcanic bomb in basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 9
Agglutinated volcanic bomb in basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1


Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 1
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Agglutinated volcanic bomb in basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 8
Agglutinated volcanic bomb in basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 8
by James St. John

クリエイティブ・コモンズ 表示 2.1

Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 15
Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1


Red Lake Gold Ore - gold stockwork in biotite-carbonate altered, partially silicified metabasalt, Red Lake Mine, Ontario, Canada 1
Red Lake Gold Ore - gold stockwork in biotite-carbonate altered, partially silicified metabasalt, Red Lake Mine, Ontario, Canada 1
by James St. John

クリエイティブ・コモンズ 表示 2.1

Red Lake Gold Ore - gold stockwork in biotite-carbonate altered, partially silicified metabasalt, Red Lake Mine, Ontario, Canada 2
Red Lake Gold Ore - gold stockwork in biotite-carbonate altered, partially silicified metabasalt, Red Lake Mine, Ontario, Canada 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 11
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 11
by James St. John

クリエイティブ・コモンズ 表示 2.1


Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 9
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 4
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 4
by James St. John

クリエイティブ・コモンズ 表示 2.1


Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 12
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 12
by James St. John

クリエイティブ・コモンズ 表示 2.1

Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 15
Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 15
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 3
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1


Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 10
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, Taylors Falls, Minnesota, USA) 10
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalt dike with flow layering & peperite & basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 5
Tholeiitic basalt dike with flow layering & peperite & basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 5
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 6
Tholeiitic basalts (Clam Falls Volcanics, Mesoproterozoic, ~1.1 Ga; Interstate State Park, St. Croix Falls, Wisconsin, USA) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sulfidic basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 2
Sulfidic basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 2
by James St. John

クリエイティブ・コモンズ 表示 2.1

Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 3
Polymetallic massive sulfide (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; Potter Mine, east of Timmins, Ontario, Canada) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 17
Basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 17
by James St. John

クリエイティブ・コモンズ 表示 2.1


Sulfidic basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 3
Sulfidic basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 3
by James St. John

クリエイティブ・コモンズ 表示 2.1

Sulfidic basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 9
Sulfidic basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711 to 2.719 Ga; drill core at the Potter Mine, east of Timmins, Ontario, Canada) 9
by James St. John

クリエイティブ・コモンズ 表示 2.1

Tholeiitic basalt dike with flow layering & peperite & basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 6
Tholeiitic basalt dike with flow layering & peperite & basaltic lapillistone (Middle Tholeiitic Unit, Kidd-Munro Assemblage, Neoarchean, 2.711-2.719 Ga; just east of the Potter Mine, east of Timmins, Ontario, Canada) 6
by James St. John

クリエイティブ・コモンズ 表示 2.1



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