How do shields differ from stable platforms
WebFeb 26, 2015 · simply ,the shields are the carton originally but after the uplifting motion , the weathering operations made outcrops for it basement rocks and so are high land that mean are mountains but the cratons are low land from the continentals but the both are stable geologically before millions yrs ago Upvote (1) Downvote Reply ( 0) Report Web13) Continental shields and stable platforms are part of the interior region known as a craton. T 14) According to the rock cycle, any type of rock (igneous, sedimentary, or metamorphic) may betransformed into another type of rock, given enough time. T
How do shields differ from stable platforms
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WebQuestion: Part A: The Canadian Shield Each of the major continents is comprised of three structural domains known as the shield, stable platform, and marginal mobile belt (Fig. 1). Marginal belts are the high relief areas of active tectonism (earthquakes, volcanoes, uplift). By contrast, the shield is a tectonically quiescent, topographically flat region where WebCraton - Structurally stable (core of the continent) *most of the craton is covered by a thin blanket of sediment >Portion that's not: Precambrian Shield - crystallize rock, very old root of oldest mountains. >Most of the craton is over a billion years old. Characteristics of Mountain Belts . 1. Thickness and Characteristics of Rock Layers
WebOct 2, 2012 · Platforms and shields together make up cratons. The shield is the part of the craton that is exposed at Earth's surface and the platform is the part of the craton that is covered by sedimentary ... WebWe've got the study and writing resources you need for your assignments.Start exploring!
WebMar 13, 2024 · A shield is, specifically, an exposed area of Precambrian igneous or metamorphic rock. When covered by a platform, it is called the basement. A platform may … WebPlatforms, shields and the basement rocks together constitute cratons. Shields are places where one can see the craton at the surface, platforms are places where slight, but …
WebOct 27, 2024 · Answer: The craton is divided into two parts. The shield is the portion of the craton that is actually exposed at the surface. The platform is the portion of the craton that is covered by sedimentary rocks. So, the shield is …
WebShields and stable platforms both have surfaces covered with a layer of sedimentary rocks, but those rocks form flat areas above stable platforms and sequences of peaks above … in a row of girls amruta and mehakWebA shield is that part of a craton in which the usually Precambrian basement rocks crop out extensively at the surface. In contrast, the platform of the basement is overlain by horizontal or subhorizontal sediments. Cratons are subdivided geographically into geologic provinces. A geologic province is a spatial entity with common geologic attributes. in a row of children anil is eighthWebSTABLE PLATFORMS As time goes by, the shields are eroded down to within a few tens of meters of sea level, and any rise of sea level will lead to flooding of vast areas of the shield (plate tectonics, increased spreading, rise of ridges, flooding). At present only 18% of the continental crust is flooded, but there were times in the past where ... in a row sam is 10th from the frontWebShields \textbf{Shields} Shields are a flat, expansive area of the stable interior (cratons), mostly composed of igneous and metamorphic rock. Stable platforms \textbf{Stable … duties and responsibilities of a cookWebA shield is a regional area with low relief (little elevation change). The elevation of a shield is typically within a few hundred yards of sea level. For additional study of shields, click here. Another part of continents is the stable platform . This feature is characterized by a covering of sedimentary rocks. in a row of trees a tree is 7th from leftWebThe expansive, flat regions made of deformed crystalline rocks within the stable interiors lies areas known as shields. Various shields of radiometric dating are from ancient … duties and responsibilities of a carpenterWebWhat is the difference beween the asthenosphere and the lithosphere? Lithosphere - outermost, cool, hard, rigid ... Circum-Pacific belt and Alps/Himalayas What is the difference between shields and stable platforms? Sheild - expansive, flat region of deformed crystalline rock stable platform - shield covered in thin layer of sedimentary rocks ... duties and responsibilities of a butcher