Geology of the Grand Teton area - Document - PDFSEARCH.IO

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	1 Basement Rocks The metamorphic basement rocks that were formed about 2.5 billion years ago in the Archean Eon. These igneous rocks are radioactive age measurements that indicate the ages of 1,690 million and 2,540 mil Add to Reading List Document Date: 2007-04-03 15:11:39 Open Document File Size: 30,00 KB Share Result on Facebook Company Montana Travertine Co. / / Event Natural Disaster / / Facility Basement Rocks The / / MusicGroup B.C. / / NaturalFeature Northern Rocky Mountains / Yellowstone / Belt Mountains / Six Mile Creek / / ProvinceOrState Montana / Idaho / Washington / Oregon / / Region western Montana / central Montana / Northern Rocky Mountains / / SocialTag Alluvium Geology of the Grand Teton area Geology of the Death Valley area Geology Petrology Sedimentary rock

1 Basement Rocks The metamorphic basement rocks that were formed about 2.5 billion years ago in the Archean Eon. These igneous rocks are radioactive age measurements that indicate the ages of 1,690 million and 2,540 milAdd to Reading List