Category:Portage Lake Volcanic Series
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Subcategories
This category has the following 10 subcategories, out of 10 total.
Media in category "Portage Lake Volcanic Series"
The following 66 files are in this category, out of 66 total.
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Copper (Mesoproterozoic, 1.05-1.06 Ga; Baltic Mine, Baltic, Michigan, USA).jpg 1,790 × 2,708; 3.46 MB
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Keweenaw structure.jpg 691 × 305; 49 KB
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Momma Cat in the cat tree 12 (48765234236).jpg 2,816 × 2,112; 3.76 MB
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Native copper in calcite crystal, Quincy Mine MI.jpg 1,500 × 1,196; 1.04 MB
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Silver (Mesoproterozoic, 1.05-1.06 Ga; Upper Peninsula of Michigan, USA) (17077945597).jpg 2,378 × 1,409; 2.69 MB
Categories:
- Volcanism of Michigan
- Mesoproterozoic volcanism of the United States
- Geologic formations in Michigan
- Mesoproterozoic geology of Michigan
- Keweenawan Supergroup
- Mesoproterozoic formations in Michigan
- Geology of Isle Royale National Park
- Mafic volcanism in Michigan
- Bergland Group (geology)
- Flood basalts in the United States
- Midcontinent Rift System