{"id":2897,"date":"2017-04-28T11:36:11","date_gmt":"2017-04-28T09:36:11","guid":{"rendered":"http:\/\/agora.xtec.cat\/iesm-jmzafra\/?p=2897"},"modified":"2017-04-28T11:36:11","modified_gmt":"2017-04-28T09:36:11","slug":"granit-6","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/general\/granit-6\/","title":{"rendered":"GRANIT"},"content":{"rendered":"<p><a href=\"http:\/\/agora.xtec.cat\/iesm-jmzafra\/wp-content\/uploads\/usu164\/2017\/02\/2NB_Pro03_Act012_Foto-bona-granit.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3924 alignright\" src=\"http:\/\/agora.xtec.cat\/iesm-jmzafra\/wp-content\/uploads\/usu164\/2017\/02\/2NB_Pro03_Act012_Foto-bona-granit.jpg\" alt=\"2nb_pro03_act012_foto-bona-granit\" width=\"400\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-content\/uploads\/usu164\/2017\/02\/2NB_Pro03_Act012_Foto-bona-granit.jpg 400w, https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-content\/uploads\/usu164\/2017\/02\/2NB_Pro03_Act012_Foto-bona-granit-300x225.jpg 300w, https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-content\/uploads\/usu164\/2017\/02\/2NB_Pro03_Act012_Foto-bona-granit-200x150.jpg 200w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<h6><strong>NOM<\/strong><\/h6>\n<p><span style=\"font-weight: 400\"><em>ca\u00a0<\/em>Granit<\/span><\/p>\n<p><span style=\"font-weight: 400\">es Granito<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u00a0en Granite <\/span><\/p>\n<h6>DESCRIPCI\u00d3<\/h6>\n<p><span style=\"font-weight: 400\">El granit \u00e9s una roca i plut\u00f2nica magm\u00e0tica de textura glandul\u00b7losa i cristal\u00b7lina. D\u2019entre alguns dels components d\u2019aquesta roca es troben el quars, el feldspat i la mica. \u00c9s de color grisenc i \u00e9s molt abundant .Actualment es coneixen granits de 500 colors diferents. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Aquest mineral \u00e9s el resultat del refredament lent de grans masses de magma. La composici\u00f3 qu\u00edmica del granit \u00e9s: 74,5% de<\/span><a href=\"https:\/\/ca.wikipedia.org\/wiki\/S%C3%ADlice\"> <span style=\"font-weight: 400\">s\u00edlice<\/span><\/a><span style=\"font-weight: 400\">, 14% d&#8217;<\/span><a href=\"https:\/\/ca.wikipedia.org\/wiki\/Al%C3%BAmina\"><span style=\"font-weight: 400\">al\u00famina<\/span><\/a><span style=\"font-weight: 400\">, 9,5% d&#8217;\u00f2xids de sodi i de potassi (Na2O, K2O) i 2% d&#8217;altres \u00f2xids (Fe, Mn, Mg, Ca). Tamb\u00e9 se sap que \u00e9s un una roca \u00e0cida i densa (densitat mitjana: 2,7 g\/cm c\u00fabics o 2 700 kg\/m c\u00fabics). <\/span><span style=\"font-weight: 400\">L\u2019antiguitat d\u2019aquesta pedra es remonta des de fa milions d\u2019anys,es a dir,\u00e9s <\/span> <span style=\"font-weight: 400\">molt antiga.<\/span><\/p>\n<h6>\u00daS<\/h6>\n<p><span style=\"font-weight: 400\">El granit t\u00e9 molt bones qualitats de construcci\u00f3 i per aquest motiu s\u2019utilitza \u00e0mpliament com a material de construcci\u00f3. Aquesta roca s\u2019obt\u00e9 directament de la naturalesa. S\u2019acumula en grans quantitats i seguidament es poleix mitjan\u00e7ant unes m\u00e0quines per ser directament transportada a les f\u00e0briques. Aquest material s\u2019emplea sobretot en monuments i com a recobriment d\u2019edificis p\u00fablics i centres comercials (\u00e9s considerat un material molt resistent)<\/span><\/p>\n<h6>LLOC D\u2019ORIGEN<\/h6>\n<p><span style=\"font-weight: 400\">El lloc d\u2019origen i \u00fas d\u2019aquesta roca es va originar a la cultura de l\u2019antic Egipte. Els egipcis utilitzaven aquest mineral per fer importants i imponents monuments com la <\/span><span style=\"font-weight: 400\">pir\u00e0mide de Menkaure (tamb\u00e9 va ser constru\u00efda amb pedra calcaria) Era utilitzada degut a la seva duresa i uniformitat, tot i que era un material dif\u00edcil de treballar art\u00edsticament, i es per aix\u00f2 antigament el seu us sempre ha estat mes limitat que el marbre.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Aix\u00f2 incordiava bastant als egipcis,ja que era un material bonic i imponent,per\u00f2 no es podia utilitzar per fer detalls minuciosos, sin\u00f2 que s\u2019utilitzava per fer edificacions grans i de poca complexitat. <\/span><\/p>\n<p><span style=\"font-weight: 400\">Podr\u00edem dir que actualment es el cas contrari, ja que gracies a la sofisticaci\u00f3 de la industria el granit s&#8217;utilitza \u00a0molt\u00edssim per que es considera una de les pedres mes resistents que hi ha. <\/span><\/p>\n<h6><a href=\"http:\/\/agora.xtec.cat\/iesm-jmzafra\/wp-content\/uploads\/usu164\/2017\/02\/mapa_del_antiguo_egipto.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3953\" src=\"http:\/\/agora.xtec.cat\/iesm-jmzafra\/wp-content\/uploads\/usu164\/2017\/02\/mapa_del_antiguo_egipto.jpg\" alt=\"mapa_del_antiguo_egipto\" width=\"377\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-content\/uploads\/usu164\/2017\/02\/mapa_del_antiguo_egipto.jpg 377w, https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-content\/uploads\/usu164\/2017\/02\/mapa_del_antiguo_egipto-300x239.jpg 300w\" sizes=\"auto, (max-width: 377px) 100vw, 377px\" \/><\/a><\/h6>\n<h6>PROCED\u00c8NCIA<\/h6>\n<p><span style=\"font-weight: 400\">Les roques son de l\u2019escola Dovella (al carrer Mallorca) i un professor en pr\u00e0ctiques ens va deixar escollir les roques que actualment tenim. Les roques les vam trobar al laboratori de Ci\u00e8ncies (les vam posar all\u00e0 per ser posteriorment analitzades) Creiem que procedeixen de la col\u00b7lecci\u00f3 de l\u2019Escola Superior d\u2019Agricultura, l\u2019Escola Superior d\u2019Agricultura ha proporcionat les pedres a l\u2019Escola Dovella i la Dovella ens les ha cedit en donaci\u00f3 \u00a0a nosaltres, l\u2019Institut)<\/span><\/p>\n<p>Mark Bezzelt<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NOM ca\u00a0Granit es Granito \u00a0en Granite DESCRIPCI\u00d3 El granit \u00e9s una roca i plut\u00f2nica magm\u00e0tica de textura glandul\u00b7losa i cristal\u00b7lina. D\u2019entre alguns dels components d\u2019aquesta roca es troben el quars, el feldspat i la mica. \u00c9s de color grisenc i \u00e9s molt abundant .Actualment es coneixen granits de 500 colors diferents. Aquest mineral \u00e9s el [&hellip;]<\/p>\n","protected":false},"author":86,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1,321],"tags":[322],"class_list":["post-2897","post","type-post","status-publish","format-standard","hentry","category-general","category-museu-de-geologia","tag-magmatiques"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts\/2897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/users\/86"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/comments?post=2897"}],"version-history":[{"count":4,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts\/2897\/revisions"}],"predecessor-version":[{"id":3972,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/posts\/2897\/revisions\/3972"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/media?parent=2897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/categories?post=2897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inscaterinaalbert\/wp-json\/wp\/v2\/tags?post=2897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}