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Mafic dike cut by a fault in granite, Marquette Co.75 views
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Great Sand Bay, Keweenaw Co., MI74 views
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Owl Creek Fissure, Keweenaw Co.73 views
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Pahoehoe Lava Flow in Portage Lake Volcanics, Keweenaw Co., MI72 views
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Pahoehoe Lava Flow in Portage Lake Volcanics, Keweenaw Co., MI72 views
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Tilted bedding of the Copper Harbor Conglomerate, Keweenaw Co.71 views
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Tight fold in schist, Marquette Co.69 views
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Ghost Forest (tree trunk is around 4,000 years old), Grand Sable Dunes, Alger Co. 69 views
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Field of glacial erratics, just south of the border! 68 views
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Stromatolite in Copper Harbor Conglomerate, Keweenaw Co.68 views
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Anticline in banded iron formation, Baraga Co.67 views
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Boudinage in schist, Marquette Co.67 views
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Hyaloclastite submarine debris flow, Marinette Co WI67 views
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Keweenawan mafic dike cutting granite, Marquette Co.67 views
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Contact between the Copper Harbor Conglomerate and a sandy interlayer, Keweenaw Co.66 views
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Stromatolites in Copper Harbor Congomerate, Keweenaw Co.66 views
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