Greenstone belt

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121	PDF Document Add to Reading List Source URL: petrology.oxfordjournals.org Language: English Volcanic rocks Economic geology Historical geology Metamorphic petrology Superior craton Nuvvuagittuq greenstone belt Anthophyllite Acasta Gneiss Archean Geology Petrology Cratons
122	Untitled Add to Reading List Source URL: arkisto.gtk.fi Language: English - Date: 2009-05-15 02:53:56 Cratons Metamorphic rocks Structural geology Plate tectonics Baltic Shield Granulite Trondhjemite Greenstone belt Peridotite Geology Petrology Metamorphic petrology
123	PDF Document Add to Reading List Source URL: ardf.wr.usgs.gov Language: English - Date: 2012-07-25 12:39:24 Quartz Placer deposit Lode Vein Placer mining Gold mining in Alaska South Pass greenstone belt Economic geology Mining Geology