{"id":10289,"date":"2023-03-23T12:23:04","date_gmt":"2023-03-23T11:23:04","guid":{"rendered":"https:\/\/ccgm.org\/?post_type=product&p=10289"},"modified":"2025-02-27T13:05:59","modified_gmt":"2025-02-27T12:05:59","slug":"tectonics-of-the-antarctic-pdf","status":"publish","type":"product","link":"https:\/\/ccgm.org\/en\/product\/tectonics-of-the-antarctic-pdf\/","title":{"rendered":"Tectonics of the Antarctic-PDF"},"content":{"rendered":"
Tectonics of the Antarctic-PDF<\/strong><\/p>\n The 1rst edition of Tectonic map of the Antarctic at 1:10 M scale was published by CGMW in 2012<\/p>\n Significant input of new data during the past decade stimulated upgrading of the 2012 map and preparation of the 2nd edition.<\/p>\n Design of the legend allows compact visual presentation of both geodynamic and age-related information. Map units are in the first place distinguished by the type of crust they represent, and by formation at plate boundaries or in within-plate settings.<\/p>\n Oceanic crust is mapped in accordance with the age of generation identified by magnetic anomalies. Archean complexes are grouped in a separate block of the legend believed to represent a primeval continental plutonic\/metamorphic infrastructure (protocrust) lacking clear plate tectonics markers.<\/p>\n Proterozoic and Phanerozoic complexes are referred to either unstretched or stretched continental terranes.<\/p>\n Unstretched crust comprises accretionary fold belts (orogens), structural products of their reworking, platform covers and intraplate fold systems.<\/p>\n Stretched continental crust controls distribution of rift systems and associated sedimentary basins. A greater part of Antarctic continental margin belongs to a magma-rich type. Within lengthy zones contiguous to oceanic crust the continental crust is hyperstretched to the extent of unroofing the upper mantle.<\/p>\n Generalized view of Antarctic tectonic structures, including their inferred distribution under the ice sheet, is provided in a smaller-scale inset also showing the rates of sea-floor spreading and areas with thickened oceanic crust.<\/p>\n Tectonics of the Antarctic-PDF<\/strong><\/p>","protected":false},"excerpt":{"rendered":" Tectonics of the Antarctic-PDF<\/strong><\/p>\n Explanatory Notes to \u201cTectonic Map of the Antarctic\u201d, 1:10,000,000 Scale, Second Edition<\/p>\n Downloadable high resolution .pdf digital version<\/strong><\/p>\n Note: This product is subject to a license agreement.<\/strong><\/p>\n Authors: Garrik Grikurov & German Leitchenkov English version.<\/p>","protected":false},"featured_media":13115,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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\nPublishers: CCGM-CGMW
\nPresident: M. Pubellier, Secretary General: P. Nehlig, Deputy Secretary General: N. Ellouz-Zimmermann, former President: P. Rossi
\nComposition and design: C. Fran\u00e7ois<\/p>\n