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Page "Crust (geology)" ¶ 3
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continental and crust
The production of large quantities of magma, variously attributed to mantle plumes or to extensional tectonics, further pushed sea levels up, so that large areas of the continental crust were covered with shallow seas.
It is now known that there are two kinds of crust, continental crust and oceanic crust.
Granite is usually found in the continental plates of the Earth's crust.
Granite is currently known only on Earth, where it forms a major part of continental crust.
Granitic rock is widely distributed throughout the continental crust and is the most abundant basement rock that underlies the relatively thin sedimentary veneer of the continents.
Most granite intrusions are emplaced at depth within the crust, usually greater than 1. 5 kilometers and up to 50 km depth within thick continental crust.
The ascent and emplacement of large volumes of granite within the upper continental crust is a source of much debate amongst geologists.
Oceanic crust is also part of tectonic plates, but it is denser than continental litosphere, so it floats low on the mantle.
Islands are either extensions of the oceanic crust ( e. g. volcanic islands ) or geologically they are part of some continent sitting on continental litosphere ( e. g. Greenland ).
India lies largely on the Indian Plate, the northern portion of the Indo-Australian Plate, whose continental crust forms the Indian subcontinent.
* Valley, John W., William H. Peck, Elizabeth M. King ( 1999 ) Zircons Are Forever, The Outcrop for 1999, University of Wisconsin-Madison Wgeology. wisc. edu – Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4. 4 Gyr ago Accessed Jan. 10, 2006
which comprises thinned continental crust.
Also, the transition from a continental rift to an oceanic rift is accompanied by block faulting, where blocks of continental crust drop down along extensional faults where the crust is being pulled apart.
Because the continental crust is so much thicker than the oceanic crust, it conducts heat less efficiently, making it function like an insulating blanket.
An ophiolite is a suite of geological formations which represent a slice through a section of ocean crust ( including the upper level of the mantle ) thrust onto the continental crust.
:: Distribution: common in hot spots in continental crust ( Yellowstone National Park ) and in continental rifts

continental and oceanic
By its geological origin, islands forming archipelagos can be referred to as oceanic islands, continental fragments and continental islands.
The five primary classifications can be further divided into secondary classifications such as rain forest, monsoon, tropical savanna, humid subtropical, humid continental, oceanic climate, Mediterranean climate, steppe, subarctic climate, tundra, polar ice cap, and desert.
There are two main types of islands: continental islands and oceanic islands.
Turkey can be thought of as a collage of different pieces ( possibly terranes ) of ancient continental and oceanic lithosphere stuck together by younger igneous, volcanic and sedimentary rocks.
There are also some much smaller areas grading towards the oceanic Cfc climate with milder winters, whilst the extreme south and ( in Eurasia ) west of the taiga reaches into humid continental climates ( Dfb, Dwb ) with longer summers.
Subduction zones are places where two plates, usually an oceanic plate and a continental plate, collide.
In this case, the oceanic plate subducts, or submerges under the continental plate forming a deep ocean trench just offshore.
Zurich has, depending on the definition used, an oceanic or humid continental climate ( Köppen Cfb / Dfb ), with four distinct seasons.
* Continental margin, the zone of the ocean floor that separates the thin oceanic crust from thick continental crust
Included in this category are most basalts of the ocean floor, most large oceanic islands, and continental flood basalts such as the Columbia River Plateau.
Auks also tend to be restricted to continental shelf waters and breed on few oceanic islands.
Subduction of an oceanic plate by a Plate tectonics | continental plate to form a noncollisional orogen.
Furthermore, necessary conditions are found only either in polar continental sedimentary rocks where surface temperatures are less than 0 ° C ; or in oceanic sediment at water depths greater than 300 m where the bottom water temperature is around 2 ° C.
Pillow lavas and the related sheeted dyke complexes form part of a classic ophiolite sequence when a segment of oceanic crust is obducted onto continental crust.
Beaked whales are known to congregate in deep waters off the edge of continental shelves, and bottom features, such as seamounts, canyons, escarpments, and oceanic islands, including the Azores and the Canary Islands.
Angers enjoys a very mild climate because of its location between oceanic and continental climate.
The mountains are also blocking most of the oceanic influence from the Atlantic, which creates a climate way more continental than nearby cities west ou north of the mountains, like Limoges or Montluçon.
The climate of this region is essentially oceanic ( Cfb in Köppen classification ), with a continental influence ( sometimes called a " half-continental climate ").
Besançon is under the influence of both an oceanic climate ( notable precipitations in quantity as much as in frequency ) and a continental climate with hard winters ( snow, frost ) and warm and dry summers.

continental and are
Other continental philosophers suggest that concepts such as life, nature, and sex are ambiguous.
These materials are found mostly on the continental shelves and are thickest near large river mouths or off desert coasts.
Between the two countries, there are political disputes over several aspects of political control over the Aegean space, including the size of territorial waters, air control and the delimitation of economic rights to the continental shelf.
Finally, sets of islands formed close to the coast of a continent are considered continental archipelagos when they form part of the same continental shelf so islands are just exposed continental shelf.
Among the branchiopods, only some cladocerans are marine ; all the other groups are found in continental waters fresh water, including temporary pools and salt lakes.
By a 20th-century classification, the idealists ( Kant, Hegel and others ), are considered the beginning of continental philosophy, while the empiricists are the beginning, or the immediate predecessors, of analytical philosophy.
There are six categories within the SSC scheme: Dry Polar ( similar to continental polar ), Dry Moderate ( similar to maritime superior ), Dry Tropical ( similar to continental tropical ), Moist Polar ( similar to maritime polar ), Moist Moderate ( a hybrid between maritime polar and maritime tropical ), and Moist Tropical ( similar to maritime tropical, maritime monsoon, or maritime equatorial ).
Places with more than three months of average daily temperatures above and a coldest month temperature below and which do not meet the criteria for an arid or semiarid climate, are classified as continental.
In common with continental European usage, however, all-numeric dates are invariably ordered dd / mm / yyyy.
These conditions are met in two places on Earth ; in the lithospheric mantle below relatively stable continental plates, and at the site of a meteorite strike.
In 18th and 19th century Germany, several thousand local languages of the continental west Germanic dialect continuum were reclassified as dialects of modern New High German although the vast majority of them were ( and still are ) mutually incomprehensible, despite the fact that they all existed long before New High German, which had at least in part been shaped as a compromise or mediative language between these local languages.
They are found worldwide, mostly in the shallower seas of the continental shelves, and are carnivores, eating mostly fish and squid.
The continental regions extend the length of the country from north to south and are separated by the Andes Mountains.
They are absent from continental Antarctica, parts of the high Arctic, central Greenland, northern and central Australia, and much of the lowland tropics and neotropics.

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