The Precambrian ( /priˈkæmbri.ən, -ˈkeɪm-/ pree-KAM-bree-ən, -KAYM-; or Pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of...
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Canadian Shield (redirect from Precambrian Shield)
the Laurentian Plateau, is a geologic shield, a large area of exposed Precambrian igneous and high-grade metamorphic rocks. It forms the North American...
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"Precambrian rabbits" or "fossil rabbits in the Precambrian" are reported to have been among responses given by the biologist J. B. S. Haldane when asked...
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Precambrian is the third studio album by German post-metal band The Ocean, released on 5 November 2007 through Metal Blade Records. It features several...
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Precambrian Research is a peer-reviewed scientific journal covering the geology of the Earth and its planetary neighbors. It is published by Elsevier...
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Shield (geology) (redirect from Precambrian shield)
A shield is a large area of exposed Precambrian crystalline igneous and high-grade metamorphic rocks that form tectonically stable areas. These rocks...
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Cambrian explosion (redirect from Precambrian life)
the known Cambrian lagerstätten are rare and difficult to date, while Precambrian lagerstätten have yet to be studied in detail. The sparseness of the...
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Timeline of natural history (redirect from Timeline of the Precambrian)
giant impacts that help to increase its overall size. c. 4,533 Ma – The Precambrian (to c. 539 Ma), now termed a "supereon" but formerly an era, is split...
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Arctica (section Precambrian continent)
however, was a "fixist" and, erroneously, explained the presence of Precambrian and Paleozoic metamorphic rocks on the New Siberian, Wrangel, and De...
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Hadean (redirect from Early Precambrian)
rocks – Includes rocks over 4 billion years old from the Hadean Eon Precambrian – History of Earth 4600–539 million years ago Timeline of natural history...
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Llano Uplift (section Precambrian rocks)
and Blanco counties, Texas. It consists of an island-like exposure of Precambrian igneous and metamorphic rocks surrounded by outcrops of Paleozoic and...
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Geology of the Rocky Mountains (section Precambrian)
before the mountains were raised by tectonic forces. The oldest rock is Precambrian Wyoming craton that forms the core of the North American continent. The...
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(2014). "Mesoproterozoic paleogeography: Supercontinent and beyond". Precambrian Research. 244: 207–225. Bibcode:2014PreR..244..207P. doi:10.1016/j.precamres...
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Until the late 1950s, the Precambrian was not believed to have hosted multicellular organisms. However, with radiometric dating techniques, it has been...
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continents", which leaves room for interpretation and is easier to apply to Precambrian times. To separate supercontinents from other groupings, a limit has...
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Bigfoot (redirect from PreCambrian Shield Man)
Bigfoot (/ˈbɪɡfʊt/), also commonly referred to as Sasquatch (/ˈsæskwætʃ, ˈsæskwɒtʃ/), is a large and hairy human-like mythical creature said to inhabit...
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from a single common ancestor that lived 650 million years ago in the Precambrian. 25 of these are novel core gene groups, found only in animals; of those...
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Proterozoic (category Precambrian geochronology)
and followed by the Phanerozoic, and is the most recent part of the Precambrian "supereon". The Proterozoic is subdivided into three geologic eras (from...
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List of Ediacaran genera (redirect from List of precambrian genera)
M. A. (1976). "New Records of Fossils in the Valdaian Group of the Precambrian on the Syuz'ma River" (PDF). Izvestiya Akademii Nauk SSR. Seriya Geologicheskaya...
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The oldest rock is Precambrian metamorphic rock that forms the core of the North American continent. There is also Precambrian sedimentary argillite...
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Great Falls is on the fall line of the Potomac River, and its rocks date to the late Precambrian....
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Paleoclimatology (section Precambrian climate)
temperatures. The Precambrian took place between the time when Earth first formed 4.6 billion years (Ga) ago, and 542 million years ago. The Precambrian can be split...
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bryophytes. However, fossils of organisms with a flattened thallus in Precambrian rocks suggest that multicellular freshwater eukaryotes existed over 1000...
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Siberia (continent) (section Precambrian history)
Siberia, also known as Siberian Craton, Angaraland (or simply Angara) and Angarida, is an ancient craton in the heart of Siberia. Today forming the Central...
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North America South America Zealandia Due to lacking the presence of Precambrian cratonic rocks, Zealandia's status as a geological continent has been...
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Walker, J. C. (1 January 1987). "A constant daylength during the Precambrian era?". Precambrian Research. 37 (2): 95–105. Bibcode:1987PreR...37...95Z. CiteSeerX 10...
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has been extended to between 2.3 and 3.5 billion years. Most of these Precambrian fossils are microscopic bacteria or microfossils. However, macroscopic...
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J. (January 1, 2007). "Poriferan paraphyly and its implications for Precambrian palaeobiology" (PDF). Geological Society, London, Special Publications...
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Block – Part of the Congo craton of central Africa (Zambia) Congo Craton – Precambrian craton that with four others makes up the modern continent of Africa...
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Natural history of Australia (section Precambrian)
The natural history of Australia has been shaped by the geological evolution of the Australian continent from Gondwana and the changes in global climate...
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