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A dike swarm or dyke swarm in geology is a major group of parallel, linear, or radially oriented dikes intruded within continental crust. Geology (from Greek γη gê, "earth" and λόγος Logos, "speech" lit A dike or dyke in Geology is a type of Sheet intrusion referring to any geologic body that cuts Discordantly ' across planar In Geology, an intrusion is a body of Igneous rock that has Crystallized from molten Magma below the surface of the Earth. The continental crust is the layer of granitic, Sedimentary, and Metamorphic rocks which form the Continents and the areas of shallow seabed They consist of several to hundreds of dikes emplaced more or less contemporaneously during a single intrusive event and are magmatic and stratigraphic. Such dike swarms may form a large igneous province and are the roots of a volcanic province. Large Igneous provinces (LIPS were originally defined by Coffin and Eldholm (1992 as areas of Earth's surface that contain very large volumes of magmatic rocks (typically

The occurrence of mafic dike swarms in Archean and Paleoproterozoic terranes is often cited as evidence for mantle plume activity associated with abnormally high mantle potential temperatures. Mafic is an adjective describing a Silicate mineral or rock that is rich in magnesium and iron the term was derived by contracting "magnesium" and "ferric" The Paleoproterozoic (ˌpeɪlɪoʊˌproʊtərəˈzoʊɪk also spelled Palaeoproterozoic) is the first of the three sub-divisions ( eras) of the A mantle plume is an upwelling of abnormally hot rock within the Earth's mantle. The mantle is a part of an Astronomical object. The interior of the Earth, similar to the other Terrestrial planets, is Chemically divided

Dike swarms may extend over 400 km (249 mi) in width and length. The World's largest dike swarm is the Mackenzie dike swarm in the Northwest Territories of Canada, which is more than 500 km (311 mi) wide and 3,000 km (1,864 mi) long. The Mackenzie dike swarm, also called the Mackenzie dikes, form a Large igneous province in the western Canadian Shield of Canada. The Northwest Territories (ˌnɔrθˌwɛstˈtɛrɨtɔriz ( NWT or NT; French, les Territoires du Nord-Ouest) is a territory Country to "Dominion of Canada" or "Canadian Federation" or anything else please read the Talk Page [1]

The number of known giant dike swarms on Earth is small, only about 25. EARTH was a short-lived Japanese vocal trio which released 6 singles and 1 album between 2000 and 2001 However, the primary geometry of most giant dike swarms is poorly known since plate tectonics are thought to destroy them. Plate tectonics (from Greek τέκτων tektōn "builder" or "mason" describes the large scale motions of Earth 's Lithosphere

Examples of dike swarms

References

  1. ^ Mackenzie dike swarm (geological feature, Canada) -- Britannica Online Encyclopedia. The Mackenzie dike swarm, also called the Mackenzie dikes, form a Large igneous province in the western Canadian Shield of Canada. The Independence Dike Swarm is a major Late Jurassic Dike swarm extending over from the eastern Transverse Ranges northward to the east-central Sierra The Kangamiut dike swarm is a 204 billion year old Dike swarm located in the Søndre Strømfjord region of western Greenland.


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