Geosyncline - apakah ia dalam geografi? On an average, a geosyncline means a water depression characterized by sedimentation. The Aravalli mountain range and … This is a saucer-shaped mass of rock formed in the geosyncline. După cum se știe, crusta este destul de eterogenă în structură. Answer: 2. Updates? Where an area of sea separates two plates, sediments settle on the sea floor in depressions called geosynclines. According to Kober, geosyncline is the base of the formation of mountains. Corrections? Most material © 2005, 1997, 1991 by Penguin Random House LLC. cli′nal (-sĭn-klĭ′nəl) adj. The plates then moves towards each other at the destructive margin, pushing the rock upwards to form anticlines and synclines (fold mountains) Thick volcanic sequences, together with graywackes (sandstones rich in rock fragments with a muddy matrix), cherts, and various sediments reflecting deepwater deposition or processes, were deposited in eugeosynclines, the outer, deepwater segment of geosynclines. Please refer to the appropriate style manual or other sources if you have any questions. This time period, between 280 million and 230 million years before present, was known as the late Paleozoic to early Mesozoic Era, and it was during these periods that Earth consisted of one collective ocean, called Panthalassa, and one single land mass or supercontinent known as Pangea. Tapi jangan lupa bahwa gerakan tektonik akan terus-menerus mengubah permukaan Bumi, dan terutama daerah yang paling rentan dari kerak bumi - geosyncline. Unele zone sunt încă supuse influenței proceselor endogene, în … (Geological Science) a broad elongated depression in the earth's crust containing great thicknesses of sediment. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. It was drilled in the northern limb of the Pechenga. Aside from the parts or segments of a geosyncline, several types of mobile zones have been recognized and named. Two segments of a geosyncline are recognizable in the rock strata of many of the world’s mountain systems today. … hope it helps.. These uplifted ranges had been denuded by the weathering and the other agents such as rivers and glaciers. While every effort has been made to follow citation style rules, there may be some discrepancies. E.g: The Bushveld Basin in the Transvaal in South Africa. It has now been accepted by majority of the geologists and geog­raphers that all the mountains have come out of the geosynclines and the rocks of the mountains originated as sediments were deposited and later on consolidated in sinking seas, now known as geosynclines. Among the more common of these are the taphrogeosyncline, a depressed block of the Earth’s crust that is bounded by one or more high-angle faults and that serves as a site of sediment accumulation, and the paraliageosyncline, a deep geosyncline that passes into coastal plains along continental margins. Như đã biết, lớp vỏ khá không đồng nhất về cấu trúc. It had been uplifted from the Great Geosyncline known as Tethys sea in the folded form. a portion of the earth's crust subjected to downward warping during a large span of geologic time. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Seperti yang diketahui, kerak adalah struktur yang agak heterogen. Reasons (R): Throughout the region, the farmers are handicapped in raising cattle due to lack of scientific methods of breeding the animals. Geosyncline, linear trough of subsidence of the Earth’s crust within which vast amounts of sediment accumulate. Sediment is deposited in a geosyncline and compressed into rock over thousands of years. This is the remains of Tethys geosyncline in the form of desert, situated in the northern and western part of Rajasthan. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Nezapomeňte však, že tektonické pohyby budou neustále vystavovat zemský povrch změnám a zejména nejzranitelnějším oblastem kůry - geosyncline. Geomorphology by Savindra Singh – Buy this Book on Amazon; Physical geography by Savindra Singh – Buy this Book on Amazon; First of all, some important points to always remember throughout your preparation-. Geosyncline struktūra yra labai sudėtinga. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... …magnitude came to be called geosynclines.…, Deeper troughs (geosynclines) lay seaward of the continental masses, and their sedimentary record is now characterized by mountains.…. The concept of the geosyncline was introduced by the American geologist James Hall in 1859. (2) A vast, linearly elongated, tectonically mobile segment of the earth’s crust within which particular geosynclinal troughs (geosynclines in the first sense) originate and develop and also are transformed into complex folded mountain structures. Let us know if you have suggestions to improve this article (requires login). Definicja będzie wyglądać następująco: duży, wydłużony obszar, który został zdeformowany i zanurzony na dość długi czas, w wyniku czego zgromadziła się w nim dość imponująca warstwa skał osadowych i wulkanicznych. La definizione avrà il seguente aspetto: una grande area allungata che è stata deformata e immersa per un periodo piuttosto lungo, a seguito della quale si è accumulato uno strato piuttosto impressionante di rocce sedimentarie e vulcanogene. Geosyncline (plural Geosynclines) A large, linear depression in the Earth's crust in which sediment accumulates 34. a portion of the earth's crust subjected to downward warping during a large span of geologic time; a geosynclinal fold. The filling of a geosyncline with thousands or tens of thousands of feet of sediment is accompanied in the late stages of deposition by folding, crumpling, and faulting of the deposits. Nearly 300 million years ago, the geography of the Earth was drastically different than it is today. Q.51 Given below are two statements: One is labeled as Assertion (A) and the other is labeled as Reason (R): Assertion (A): In areas of intensive subsistence agriculture, animal husbandary is a meager sideline of crop farming. Geosyncline, linear trough of subsidence of the Earth’s crust within which vast amounts of sediment accumulate. Kober’s geosynclinal theory is based on the forces of contraction produced by the cooling of … He defined the process of mountain building or orogenesis as that process which links rigid masse with geosynclines. …of a geosyncline, termed a miogeosyncline. Co to jest geosyncline w geografii? Che cos'è la geosinclinale in geografia? case of study: the landslide hazard map according to government decision no 447/2003, -Royal Resources Limited - Maiden Iron Resource at Iron Peak, United States : Excelsior Gold proceed JV with Thundelarra on Allamber Uranium Project, Evidence for biocycling from Ba/Ca, Sr/Ca, and [sup.87]Sr/[sup.86]Sr in soils (Red Brown Earths) from South Australia, Igneous Rock Associations 9. Read More Inspire your inbox – Sign up for daily fun facts about this day in history, updates, and special offers. Our editors will review what you’ve submitted and determine whether to revise the article. Earth is the third planet from the Sun and the only astronomical object known to harbor life.About 29.2% of Earth's surface is land consisting of continents and islands. Ring in the new year with a Britannica Membership, This article was most recently revised and updated by, https://www.britannica.com/science/geosyncline, University of Wisconsin - Green Bay - The Story of Geosynclines. A Geosyncline (originally called a geosynclinal) is an obsolete geological concept to explain orogens, which was developed in the late 19th and early 20th centuries, before the theory of plate tectonics was envisaged. Galų gale, tai yra gudrus visiškai heterogeninių struktūrinių elementų pluoštas. In other words, mountains are formed from the geosynclines due to the impacts of rigid masses. Meanwhile, the sediments of the Tethys sea were squeezed and folded into three parallel ranges of the Himalayas. The definition of a geosyncline is a long trough in the surface of the earth where sediments and deposits collect, thought of in the late 19th century and early 20th century as the origin of most mountains. The saucer-like shape may be due to the increased weight of the deposits. Geosyncline - 地理学でそれは何ですか？ 知られているように、地殻は構造においてかなり不均一である。 一部の地域は依然として内因性プロセスの影響を受けやすいが、その他の地域は長い間絶対的な平和 … That is the Pacific ocean and continental plate convergence. (ˌdʒiouˈsɪnklain) noun. The sea began to contract due to the converging movement of the two plates. Geosyncline - ce este în geografie? American Heritage® Dictionary of the English Language, Fifth Edition. Geosyncline je plytký žľab s izolovanými reliéfnymi útvarmi. An example of a geosyncline is the Adelaide Rift Complex in South Australia. It has been highlighted that about 70 million years ago there was an extensive Geosyncline in the place of Himalaya. ما هو geosyncline في الجغرافيا؟ سيبدو التعريف كما يلي: منطقة كبيرة مستطيلة تم تشويهها وغمرها لفترة طويلة ، ونتيجة لذلك تراكمت طبقة رائعة من الصخور الرسوبية والبركانية فيها. A geosyncline may be defined as “a thick, rapidly accumulating body or sediment formed within a long, narrow, subsiding belt of the sea which is usually parallel to a plate margin”. https://www.thefreedictionary.com/geosyncline. Read the Syllabus thoroughly and by heart the syllabus, it will be the lighthouse of your preparation.
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