Title |
Comment |
Keywords |
Ancient Heart of North America
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02:44 - 03:48 (01:04) / 1.9 MB
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"Canadian Shield", "Superior Province", craton, granulite, greenstone, "metamorphic rock", erosion, "volcanic rock", "sedimentary rock", "island arc"
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Growth of the North America Craton
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06:41 - 07:49 (01:08) / 1.2 MB
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"Superior Province", "Grenville Province", "Churchill Hudsonian Province", "Central Province", "North American Continent", orogeny, craton, "ocean basin", continent, mountain
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Geology School Keywords
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