Geology

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Lava Bomb, Basalt, Mt. Vesuvius, Naples, Italy

Lava Bomb, Basalt, Mt. Vesuvius, Naples, Italy

Glacial Striations I, Marquette, Marquette Co., Michigan

Glacial Striations II, Marquette, Marquette Co., Michigan

Chimney Rock, Volcanic Plug, Colorado

Lava Pillows, Negaunee Township, Marquette Co., Michigan

Folded Gneiss, Republic, Marquette Co., Michigan

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