How do shields differ from stable platforms

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August undefined, 2024

WebWhat is the difference between shields and stable platforms? Shields are expansive and flat regions that are composed of deformed crystallinerock. Stable platforms exist where highly deformed rockscovered with thinsedimentary rocks. Shields are expansive and flat regions that are composed of deformed crystalline rock . 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 …

Shield (geology) - Wikipedia

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 … 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 … earlston primary school email

craton geology Britannica

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 Webcontinental shield, any of the large stable areas of low relief in the Earth’s crust that are composed of Precambrian crystalline rocks. The age of these rocks is in all cases greater than 540 million years, and radiometric age … 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 … cssps outlook

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In geology, a platform is a continental area covered by relatively flat or gently tilted, mainly sedimentary strata, which overlie a basement of consolidated igneous or metamorphic rocks of an earlier deformation. Platforms, shields and the basement rocks together constitute cratons. Platform sediments can be classified into the following groups: a "protoplatform" of metamorphosed sedim… WebWhat is the difference between shields and stable platforms? Expert Solution Want to see the full answer? Check out a sample Q&A here See Solution star_border Students who’ve … earlston primary school holidaysWebShields and stable platforms are both composed of old igneous and metamorphic rocks, but those rocks are strongly deformed in the shields and almost horizontal in stable … earlston high school postcode

"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 " - How do shields differ from stable platforms

How do shields differ from stable platforms

http://www.oldearth.org/curriculum/geology/geology_chapter_1.htm WebFeb 7, 2006 · The Canadian Shield, which occupies the centre of the country, is so named because its outline suggests the shape of the shields carried by soldiers in the days of hand-to-hand combat.However, this just refers to its outcrop area. Rocks of the Shield underlie the interior of the continent beneath the Rocky Mountains, as well as the interior plains of …

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WebShields and platforms are physiographic terms rather than tectonic entities. Another concept, related but not identical to cratons is that of "structural provinces" and the two … WebSet Up and Maintain Your Salesforce Organization. Content. Set Up and Maintain Your Salesforce Organization. Try Out Salesforce. Plan Your Salesforce Rollout. Set Up Your Company in Salesforce. Manage Your Salesforce …

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 WebWe've got the study and writing resources you need for your assignments.Start exploring!

WebJul 15, 2024 · Shields are cratons in which the ancient basement rock crops out into the atmosphere. Platforms are cratons in which the basement rock is buried beneath overlying sediment. Both shields and platforms provide crucial information to geologists about Earth’s early history and formation. Continental crust is almost always much older than oceanic ... WebOct 20, 2024 · What is the difference between shields and stable platform? Shields are composed largely of old deformed igneous and metamorphic rocks. Stable platforms’ surfaces are covered with a nearly horizontal layer of sedimentary rocks. Stable …

WebThe term shield cannot be used interchangeably with the term craton. However, shield can be used interchangeably with the term basement. The difference is that a craton describes a basement overlayed by a …

WebShields are elements of platforms which have been characterized by a tendency towards slow uplift over periods of hundreds of million years. They are not sharply delimited. earlston medical centre wirralWebShields and stable platforms are typically found in.. The Interior Region Of A Continent: An extreme example of the greenhouse effect is thought to be associated with an abundance of carbon dioxide in the Martian atmosphere (T/F) FALSE: A Comet: Lunar regolith breccia contains crystalline rock fragments and glassy fragments. TRUE earlston rhymers fcWebPlatforms are broad, low plains adjacent to shields. They have a relatively thin cover of younger sedimentary rocks over the ancient basement rocks. The sedimentary rocks have been deposited in flat-lying or gently tilted layers. In many platforms, these sediments were laid down by shallow seas that used to cover the land. Mountain Belts cssps official websiteWebThe 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 … earlston fish and chipsWebWhat is the difference between shields and stable platforms? 1. Compare and contrast continents and oceans basins 2. Name the three major regions of the ocean floor. What are some physical features associated with each? 3. Describe the general distribution of Earth’s youngest mountains 4. What is the difference between shields and stable platforms? earlston primary school scottish bordersWebSTABLE 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 ... earlston primary school handbookWebWhat 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 ... cssp signature form