Last additions - UP Geology
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Great shot of Lake Shore Traps, Esrey Park, Keweenaw Co.Apr 18, 2008
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Esrey Park, Keweenaw Co.Apr 18, 2008
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Another shot of the dipping beds towards Lake Superior, Keweenaw Co.Apr 18, 2008
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On top of Brockway, one can really get a great view of the Midcontinent Rift, dipping toward Lake Superior, Keweenaw Co.Apr 18, 2008
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Basalt showing vesicular flowtop on left, and massive bottom on rightApr 18, 2008
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Glacial grooves in basalt, Houghton Co.Apr 18, 2008
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Eagle River Falls, forming the boundary between the Portage Lake Volcanics and the Copper Harbor Conglomerate, Keweenaw Co.Apr 18, 2008
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PreCambrian ripple marks in Sturgeon Quartzite, Iron Co.Apr 18, 2008
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Ripple marks in sandstone, Alger Co.Apr 18, 2008
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Felsic dike cut by fault in granite, Marquette Co.Apr 18, 2008
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Nonesuch Shale at Union River, Ontonagon Co.Apr 18, 2008
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Contact between Jacobsville Sandstone (red) and Mesnard Quartzite (gray), showing major time gap. Marquette Co.Apr 18, 2008
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Banded Iron Formation, Marquette Co.Apr 18, 2008
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Banded Iron Formation, Jasper Knob, Marquette Co.Apr 18, 2008
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Boudinage in Schist, Marquette Co.Apr 18, 2008
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Micro-Fault in Kitchi Formation, Marquette Co.Apr 18, 2008
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