{"id":7761,"date":"2022-06-09T08:00:00","date_gmt":"2022-06-09T06:00:00","guid":{"rendered":"https:\/\/svetkamene.eu\/?p=7761"},"modified":"2022-06-10T11:23:26","modified_gmt":"2022-06-10T09:23:26","slug":"iron-ore-mine-of-krusna-hora-part-1","status":"publish","type":"post","link":"https:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/09\/iron-ore-mine-of-krusna-hora-part-1\/","title":{"rendered":"Iron ore mine of Kru\u0161n\u00e1 Hora \u2013 part 1"},"content":{"rendered":"\n<p><strong>After 1945, the largest deep iron ore mine in the Czech lands.<\/strong><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The iron ore deposit on Kru\u0161n\u00e1 Hora was probably already used by the Celts, as documented by archaeological finds in the immediate vicinity of Kru\u0161n\u00e1 Hora. The rich collection of tools, originating from the Celtic fort near Str\u00e1donice, is a&nbsp;document of high level of their production. Today, this cultural heritage is stored in the National Museum in Prague.<\/p>\n\n\n\n<p>Iron ores and other base metals were not reserved for the king, so data on their mining did not have to be recorded in the royal archives, thus today we have almost no written references of them. The extent and importance of iron ore mining on Kru\u0161n\u00e9 Hora in the period between the 14<sup>th<\/sup> and 18<sup>th<\/sup> century is documented only by brief reports that have been preserved about individual ironworks, where the ore from Kru\u0161n\u00e1 Hora was processed. The history of the Kru\u0161n\u00e1 Hora mine is inextricably linked with the Podbrdy ironworks area, especially with the fate of ironworks in the immediate vicinity &#8211; Star\u00e1 Hu\u0165, Nov\u00e1 Hu\u0165, Kr\u00e1l\u016fv Dv\u016fr, Stra\u0161ec\u00ed, Franti\u0161kov, Holoubkov etc.<\/p>\n\n\n\n<p><strong>The deposit<\/strong><br>The main raw material in the Kru\u0161n\u00e1 Hora mine was hematite and pelosiderite as a&nbsp;secondary one. The ores were located there in two ore positions &#8211; Large and Small deposit. Large deposit was spread over the entire area of the basin, reaching considerable thickness, and represented the main part of the reserves. Small deposit are more or less extensive lenses and generally have a&nbsp;higher iron content. The Kru\u0161n\u00e1 Hora ore itself is divided into several groups &#8211; oolitic hematite ore, band hematite ore (representing the majority of the deposit), slate hematite ore (predominantly in the lower parts) and slate chlorite ore. The richest parts are usually in the overburden and reach a&nbsp;thickness of three metres with an iron content of 30%.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Source: <a href=\"https:\/\/www.lomyatezba.cz\/2014\/2014-4\/item\/537-zeleznorudny-dul-krusna-hora\">Lomy a&nbsp;t\u011b\u017eba<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>After 1945, the largest deep iron ore mine in the Czech lands. The iron ore&#8230;<\/p>\n","protected":false},"author":32,"featured_media":2881,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[376],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Iron ore mine of Kru\u0161n\u00e1 Hora \u2013 part 1 - Sv\u011bt Kamene<\/title>\n<meta name=\"description\" content=\"\u017delezorudn\u00e9 lo\u017eisko na Kru\u0161n\u00e9 Ho\u0159e pravd\u011bpodobn\u011b vyu\u017e\u00edvali ji\u017e Keltov\u00e9, sv\u011bd\u010d\u00ed o tom archeologick\u00e9 n\u00e1lezy v bezprost\u0159edn\u00edm okol\u00ed Kru\u0161n\u00e9 Hory.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/svetkamene.eu\/index.php\/en\/2022\/06\/09\/iron-ore-mine-of-krusna-hora-part-1\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Iron ore mine of Kru\u0161n\u00e1 Hora \u2013 part 1 - 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