{"id":63,"date":"2011-12-01T14:13:39","date_gmt":"2011-12-01T14:13:39","guid":{"rendered":"http:\/\/cms.impact-structures.com\/?p=63"},"modified":"2011-12-23T16:20:54","modified_gmt":"2011-12-23T16:20:54","slug":"rubielos-de-la-cerida-impact-structure-spain-impact-induced-internal-rock-polish","status":"publish","type":"post","link":"https:\/\/estructuras-de-impacto.impact-structures.com\/?p=63","title":{"rendered":"Rubielos de la C\u00e9rida impact structure (Spain): Impact-induced internal rock polish."},"content":{"rendered":"\n\n\n\n
Image A shows part of an extended megabreccia deposit in the southern central uplift of the Rubielos de la C\u00e9rida impact structure. Within a chaotic accumulation of limestone blocks and fragments, a large surface displaying prominent striae and polish occurs (hammer length 40 cm). Any relation to tectonic structures is clearly missing. It is assumed that the peculiar deformations formed in the highly compressive process of the central uplift development (modification stage of impact cratering).<\/td>\n\"\"<\/a>\u00a0A<\/td>\n<\/tr>\n
\"\"<\/a>\u00a0B<\/td>\nAn internal polish of strongly brecciated rocks is abundantly observed in the Rubielos de la C\u00e9rida structure; see Image B: mirror polish in a grit-brecciated megaclast of the Barrachina megabreccia.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Image A shows part of an extended megabreccia deposit in the southern central uplift of the Rubielos de la C\u00e9rida impact structure. Within a chaotic accumulation of limestone blocks and fragments, a large surface displaying prominent striae and polish occurs (hammer length 40 cm). Any relation to tectonic structures is clearly missing. It is assumed … Continuar leyendo \u00abRubielos de la C\u00e9rida impact structure (Spain): Impact-induced internal rock polish.\u00bb<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-impact-highlights"],"yoast_head":"\nRubielos de la C\u00e9rida impact structure (Spain): Impact-induced internal rock polish. - ERNSTSON CLAUDIN ESTRUCTURAS DE IMPACTO - CR\u00c1TERES METEOR\u00cdTICOS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/estructuras-de-impacto.impact-structures.com\/?p=63\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rubielos de la C\u00e9rida impact structure (Spain): Impact-induced internal rock polish. - ERNSTSON CLAUDIN ESTRUCTURAS DE IMPACTO - CR\u00c1TERES METEOR\u00cdTICOS\" \/>\n<meta property=\"og:description\" content=\"Image A shows part of an extended megabreccia deposit in the southern central uplift of the Rubielos de la C\u00e9rida impact structure. 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