{"id":26,"date":"2011-01-05T10:09:28","date_gmt":"2011-01-05T10:09:28","guid":{"rendered":"http:\/\/gold-silver.biz\/sk\/"},"modified":"2013-07-15T11:55:51","modified_gmt":"2013-07-15T09:55:51","slug":"tazba","status":"publish","type":"page","link":"https:\/\/investicnyblog.sk\/gsi\/sk\/o-drahych-kovoch\/tazba\/","title":{"rendered":"\u0164A\u017dBA"},"content":{"rendered":"<h3>Zlato \u2013 v\u00fdskyt a\u00a0\u0165a\u017eba<\/h3>\n<p>Zlato je v\u00a0zemskej k\u00f4re ve\u013emi vz\u00e1cnym prvkom. Priemern\u00fd obsah je len 4-5 ppb \/ug\/kg\/. V\u00a0morskej vode je t\u00e1to koncentr\u00e1cia e\u0161te ove\u013ea ni\u017e\u0161ia. V\u00a0hornin\u00e1ch sa v\u010faka svojej inertnosti vyskytuje len ako r\u00fddzi kov. Nerast tvor\u00ed plie\u0161ky a\u00a0zrn\u00e1 uzavret\u00e9 naj\u010dastej\u0161ie v\u00a0kremi\u010ditej v\u00fdplni \u017e\u00edl. Zlato sa vyskytuje r\u00fddze alebo v\u00a0zliatine so striebrom \/elektrum\/. Po rozpusten\u00ed \u017e\u00edl sa dost\u00e1va do n\u00e1plavu a\u00a0odtia\u013e sa ry\u017euje.<br \/>\nNajbohat\u0161ie svetov\u00e9 n\u00e1lezisk\u00e1 s\u00fa v\u00a0ju\u017enej Afrike, na Urale, v\u00a0Austr\u00e1lii, v\u00a0Kanade a\u00a0na Sib\u00edri. Na Slovensku je to Kremnica.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\"size-full wp-image-154  aligncenter\" style=\"float: none; margin-bottom: 15px;\" title=\"gold-mine\" alt=\"\" src=\"http:\/\/gold-silver.biz\/sk\/wp-content\/uploads\/gold-mine.jpg\" width=\"480\" height=\"360\" srcset=\"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-content\/uploads\/gold-mine.jpg 480w, https:\/\/investicnyblog.sk\/gsi\/sk\/wp-content\/uploads\/gold-mine-300x225.jpg 300w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/p>\n<h4>Najv\u00e4\u010d\u0161\u00edmi producentmi zlata s\u00fa:<\/h4>\n<ul>\n<li>Juhoafrick\u00e1 republika \u2013 11%<\/li>\n<li>USA \u2013 10,5%<\/li>\n<li>Austr\u00e1lia \u2013 10,1%<\/li>\n<li>\u010c\u00edna \u2013 9,7%<\/li>\n<li>Peru \u2013 8,2%<\/li>\n<li>Rusko \u2013 6,2%<\/li>\n<li>Kanada \u2013 4,2%<\/li>\n<\/ul>\n<p>V\u00a0s\u00fa\u010dasnosti s\u00fa ry\u017eovate\u013en\u00e9 lo\u017eisk\u00e1 zlata u\u017e v\u00e4\u010d\u0161inou vy\u010derpan\u00e9. Dnes sa preto \u0165a\u017e\u00ed zlato z\u00a0prim\u00e1rnych lo\u017e\u00edsk, kde je zlato ve\u013emi jemne rozpt\u00fdlen\u00e9 v\u00a0hornine a\u00a0kov sa z\u00a0horniny z\u00edskava hydrometalurgicky. Na celom svete je v\u00a0prev\u00e1dzke asi 400 dolov. Celkov\u00e1 ro\u010dn\u00e1 produkcia je okolo 2500 ton a\u00a0zatia\u013e bolo vy\u0165a\u017een\u00fdch pribli\u017ene 160.000 ton zlata.<\/p>\n<hr \/>\n<h3>\u0164a\u017eba striebra<\/h3>\n<p>Striebro sa z\u00edskava naj\u010dastej\u0161ie ako ved\u013eaj\u0161\u00ed produkt pri \u0165a\u017ebe zlata, zinku, olova a\u00a0medi.<br \/>\nNajv\u00e4\u010d\u0161ie svetov\u00e9 n\u00e1lezisk\u00e1 s\u00fa v\u00a0N\u00f3rsku a\u00a0Nemecku. Najv\u00e4\u010d\u0161\u00edmi svetov\u00fdmi producentmi striebra s\u00fa Mexiko, Kanada, Peru, Austr\u00e1lia a\u00a0USA. Na Slovensku sa striebro vyskytuje v\u00a0\u0160tiavnick\u00fdch vrchoch, v\u00a0okol\u00ed Banskej \u0160tiavnice a\u00a0Hodru\u0161e a\u00a0\u0165a\u017e\u00ed sa tu u\u017e od desiateho storo\u010dia n.l.. Ro\u010dn\u00e1 produkcia striebra je v\u00a0s\u00fa\u010dasnosti viac ako 10.000 ton.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\"size-full wp-image-155    aligncenter\" style=\"float: none; margin-bottom: 15px;\" alt=\"\" src=\"http:\/\/gold-silver.biz\/sk\/wp-content\/uploads\/silver-mine.jpg\" width=\"500\" height=\"332\" srcset=\"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-content\/uploads\/silver-mine.jpg 500w, https:\/\/investicnyblog.sk\/gsi\/sk\/wp-content\/uploads\/silver-mine-300x199.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p style=\"text-align: left;\">Z\u00a0be\u017en\u00fdch kovov m\u00e1 najlep\u0161iu elektrick\u00fa a\u00a0tepeln\u00fa vodivos\u0165. Z\u00a0mechanickej a\u00a0metalurgickej str\u00e1nky je ve\u013emi dobre spracovate\u013en\u00e9, m\u00e1 dobr\u00fa kujnos\u0165, dobre sa odlieva a\u00a0sl\u00fa\u017ei ako s\u00fa\u010das\u0165 r\u00f4znych zliatin, \u010do ho predur\u010duje na rozsiahle vyu\u017eitie. Na svete sa nach\u00e1dzaj\u00fa z\u00e1soby striebra pribli\u017ene v\u00a0objeme 800 mili\u00f3nov unc\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zlato \u2013 v\u00fdskyt a\u00a0\u0165a\u017eba Zlato je v\u00a0zemskej k\u00f4re ve\u013emi vz\u00e1cnym prvkom. Priemern\u00fd obsah je len 4-5 ppb \/ug\/kg\/. V\u00a0morskej vode je t\u00e1to koncentr\u00e1cia e\u0161te ove\u013ea ni\u017e\u0161ia. V\u00a0hornin\u00e1ch sa v\u010faka svojej &hellip; <a href=\"https:\/\/investicnyblog.sk\/gsi\/sk\/o-drahych-kovoch\/tazba\/\"><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":14,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/pages\/26"}],"collection":[{"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":14,"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/pages\/26\/revisions"}],"predecessor-version":[{"id":79,"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/pages\/26\/revisions\/79"}],"up":[{"embeddable":true,"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/pages\/14"}],"wp:attachment":[{"href":"https:\/\/investicnyblog.sk\/gsi\/sk\/wp-json\/wp\/v2\/media?parent=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}