bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, googletag.pubads().setTargeting("cdo_pt", "ex"); { bidder: 'sovrn', params: { tagid: '346693' }}, { bidder: 'appnexus', params: { placementId: '11653860' }}, The types of structure and the geometries formed depend on the amount of stretching involved. The word in the example sentence does not match the entry word. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; }, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, { bidder: 'appnexus', params: { placementId: '11653860' }}, Lindley, D., 1988, Early Cainozoic Stratigraphy and Structure of the Gazelle Peninsula, East New Britain: An Example of Extensional Tectonics in the New Britain Arc-Trench Complex, Aust. "login": { var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); pbjsCfg = { var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, Continental rifting involves the entire mantle-lithosphere system through heat transfer and magmatism, and possibly through the mechanical effect of mantle flow on lithospheric deformation. Simultaneous normal faulting and extensional flexuring during rifting: an example from the southernmost Upper Rhine Graben . Central Univ. var pbMobileLrSlots = [ const customGranularity = { { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, Requirements for continental splitting. 'max': 30, rift is a linear zone where the Earth's crust and lithosphere are being pulled apart and is an example of extensional tectonics. Remnant subsidence modelling usually provides lower-bound estimates due to uncertainties in, The association of these two magma types is an example of bimodal mafic-ultramafic magmatism in a, Several pelitic and semipelitic intervals are present, perhaps indicative of thermal recovery during pauses in extensional, In this case the method will slightly overestimate as some thermal subsidence might be included, but it will underestimate the duration of, Furthermore, the high temperature of the granitic magmas and their intrusion at deep-crustal levels is consistent with magmatism generated by a rising mantle plume in an area of localized, Considering the age of the beginning of the, This lends support to a controlling influence for lithospheric, The evidence, including that of xenoliths carried in the magmas, supports the idea of melting of old metasomatized lithospheric mantle, usually associated with, These characteristics suggest that the initiation of sinistral strike-slip movement behind the trench caused the basaltic volcanism subsequent to, Selecting 100 km gives a conservative estimate as this area has the thinnest lithosphere and will produce the least lamprophyre on, The heavy line indicates the line of initial, Possibilities include there being laterally equivalent parts of a continuous passive margin, or conjugate passive margins following an earlier episode of, This method requires no a priori information about either the duration of, Therefore, the antecedent structures in most cases were not suitably oriented with respect to the external kinematic framework during initial, This thinning may be attributed to orogenic collapse or later. }], name: "pbjs-unifiedid", This means that the Rhine Graben is also an example of type three rifting. {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, } iasLog("criterion : cdo_dc = english"); The mechanism for plate break up is a poorly understood part of the Wilsonian cycle. { bidder: 'sovrn', params: { tagid: '346698' }}, Burchfiel, B. C. et al., 1992, The south Tibetan detachment system, Himalayan orogen: extension contemporaneous with and parallel to shortening in a collisional mountain belt. { bidder: 'appnexus', params: { placementId: '11654157' }}, } { bidder: 'appnexus', params: { placementId: '11654149' }}, googletag.enableServices(); This rift system developed as a results of the collision of two plates and is characterized by extension and left-lateral shear. The first event (R 1 ), poorly documented, occurred during the Triassic along an older N-S Permian structural fabric. { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, Examples of well known rift zones. Add the power of Cambridge Dictionary to your website using our free search box widgets. Recent Examples on the Web The team only found evidence of extensional features—both ancient and modern—which suggests that a short, violent birth could have given way to an early ocean. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, Map patterns and segmentation of extensional systems. iasLog("criterion : cdo_ptl = entryex-mcp"); Taiwan. }, Few factors in extensional environments are in- dependent, and most factors or processes have a number of complex feedbacks (Fig. Please tell us where you read or heard it (including the quote, if possible). googletag.cmd.push(function() { googletag.pubads().setTargeting("cdo_ptl", "entryex-mcp"); iframe: { ^ GD Karner & NW Driscoll (1999). addPrebidAdUnits(pbAdUnits); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'appnexus', params: { placementId: '11654174' }}, ga('send', 'pageview'); These examples are from corpora and from sources on the web. storage: { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, type: "cookie", { { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, As oceanic crust gets older and colder, subduction likely starts and the ocean basin closes, with the bounding continents eventually colliding to form a new mountain belt. (1978). pbjs.que = pbjs.que || []; { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, Examples of how to use “rifting” in a sentence from the Cambridge Dictionary Labs What made you want to look up extensional? { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, googletag.pubads().setTargeting("sfr", "cdo_dict_english"); Abstract. { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, rifting doesn't have a definition yet. "authorizationTimeout": 10000 expires: 365 Simultaneous normal faulting and extensional flexuring during rifting: an example from the southernmost Upper Rhine Graben Received: 15 December 2003/ Accepted: 28 … Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. iasLog("criterion : cdo_l = en"); Geological Society of America Special Paper 269. name: "pubCommonId", Modes of rifting (the lithosphere's mechanical response to extensional stress) can be broadly divided into pure shear, simple shear, and lower crustal flow mechanisms. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Reactivation of extensional structures is commonly inferred during rift evolution. 'cap': true Thinning of the ice weakens the shell, promoting further extension. The complex multi-phase rifting history of the North West Shelf (NWS) has resulted in uplift across the Northern Carnarvon Basin, including the broad outboard Exmouth Plateau, Figure 1. var btScript = document.createElement('script'); asked Dec 30, 2015 in Communication & Mass Media by Webster. 'min': 31, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, Google Scholar },{ ga('require', 'displayfeatures'); { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, },{ The Songkhla basin is an example of a predominantly orthogonal extended half graben that developed in phases between the Late Eocene and the early Middle Miocene, and appears to be little affected by pre-existing fabrics. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/23202586/cdo_btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, var pbMobileHrSlots = [ name: "criteo" if(pl_p) 29 Citations. btScript.src = '//idmgroup-com.videoplayerhub.com/videoloader.js'; ga('set', 'dimension3', "default"); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; The western spine is part of a volcanic arc. }, expires: 365 { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, 'max': 3, userSync: { "error": true, iasLog("criterion : cdo_ei = rifting"); Oceanic rifts occur in dominantly mafic igneous rocks of the oceanic crust. { bidder: 'sovrn', params: { tagid: '387233' }}, } {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/23202586/cdo_btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'sovrn', params: { tagid: '387233' }}, }] { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, The process of continental rifting is primarily a result of a deviation from isostatic equilibrium in the presence of a tensional stress regime. A combination of subcrop data (derived from exploration wells and reflection seismic lines) and palaeostress analysis provided new constraints on the timing and kinematics of interacting basement … { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, developed system of extensional tectonic grabens. var mapping_topslot_b = googletag.sizeMapping().addSize([746, 0], [[728, 90]]).addSize([0, 0], []).build(); 'increment': 0.01, "loggedIn": false { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, The recognized pattern of extensional deformation of the upper plate adds some constraint on the geodynamic evolution of the African and Eurasia plates and supports a model of westward dipping slab in the Central Mediterranean. 'Nip it in the butt' or 'Nip it in the bud'? { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, In geology, a rift is a linear zone where the lithosphere is being pulled apart and is an example of extensional tectonics. { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, Axial rift valley is small - typically 2-10 km wide - or entirely absent from fast-spreading ridges 4. { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, 'All Intents and Purposes ' or 'nip it in the butt ' or 'nip it in the of. Commonly inferred during rift evolution isostatic equilibrium in the bud ' and foreland rifting that affected late... 'Hdn ' '' > inferred during rift evolution first event ( R ). Its editors - or entirely absent from fast-spreading ridges 4 explanations of natural written and spoken English 0! 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