The Precambrian rocks

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• Timetable of the Precambrian — This is a timeline of geological and relevant astronomical events on Earth before the Cambrian period started. This covers 88% of the duration of the Earth. The dates given are based on the best current scientific evidence and where possible are… …   Wikipedia

• The Ozarks — Ozark redirects here. For other uses, see Ozark (disambiguation). Ozark Mountain redirects here. For the wine region, see Ozark Mountain AVA. The Ozarks, Ouachitas, Black Hills, and Sawtooths …   Wikipedia

• Precambrian — [prē kam′brē ən] adj. [sometimes p ] designating or of the division of geologic time covering all the time before the Cambrian Period, equivalent to the Archean Eon and the Proterozoic Eon designating or of the division of geologic time covering… …   English World dictionary

• Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

• Geology of the Grand Teton area — The geology of the Grand Teton area consists of some of the oldest rocks and one of the youngest mountain ranges in North America. The Teton Range, mostly located in Grand Teton National Park, started to grow some 9 million years ago. An older… …   Wikipedia

• Precambrian — For the album by German band The Ocean, see Precambrian (album). Precambrian Period 4567.17–542 million years ago …   Wikipedia

• Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… …   Wikipedia

• precambrian shield — noun Usage: usually capitalized P : the nuclear area of Precambrian rocks present in each of the continents …   Useful english dictionary

• Black Canyon of the Gunnison National Park — Infobox protected area name = Black Canyon of the Gunnison iucn category = II caption = locator x = 83 locator y = 83 location = Montrose County, Colorado, USA nearest city = Montrose lat degrees = 38 lat minutes = 34 lat seconds = 0 lat… …   Wikipedia

• The Sugarlands — is a valley in the north central Great Smoky Mountains, locatedin the Southeastern United States. Formerly home to a string of small Appalachiancommunities, the valley is now the location of the Great Smoky Mountains National Parkheadquarters and …   Wikipedia

• Geology of the Yosemite area — The exposed geology of the Yosemite area includes primarily granitic rocks with some older metamorphic rock. The first rocks were laid down in Precambrian times, when the area around Yosemite National Park was on the edge of a very young North… …   Wikipedia