{"id":73987,"date":"2013-04-25T22:57:00","date_gmt":"2013-04-25T21:57:00","guid":{"rendered":"http:\/\/www.image-archive.org.uk\/?p=73987"},"modified":"2023-02-02T17:32:20","modified_gmt":"2023-02-02T17:32:20","slug":"boulby-alum-quarry-2","status":"publish","type":"post","link":"http:\/\/www.image-archive.org.uk\/?p=73987","title":{"rendered":"Boulby Alum Quarry"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.image-archive.org.uk\/wp-content\/uploads\/2023\/01\/42-001.jpg\" alt=\"\" class=\"wp-image-73896\" width=\"751\" height=\"564\" srcset=\"http:\/\/www.image-archive.org.uk\/wp-content\/uploads\/2023\/01\/42-001.jpg 800w, http:\/\/www.image-archive.org.uk\/wp-content\/uploads\/2023\/01\/42-001-300x225.jpg 300w, http:\/\/www.image-archive.org.uk\/wp-content\/uploads\/2023\/01\/42-001-399x300.jpg 399w, http:\/\/www.image-archive.org.uk\/wp-content\/uploads\/2023\/01\/42-001-150x113.jpg 150w, http:\/\/www.image-archive.org.uk\/wp-content\/uploads\/2023\/01\/42-001-400x301.jpg 400w\" sizes=\"auto, (max-width: 751px) 100vw, 751px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>The remains of the alum quarry at Boulby, although the pyramid shape at the top of the photograph is such a prominent feature of this part of the site, it is not in fact anything special. It appears to be sitting on top of a general quarrying level but is only composed of earth and stones from above the alum shale layer. It is a tip of overburden dumped here to allow the sandstone from beneath its original position to be removed and thus expose the alum shale. It has probably been a larger tip originally which has been eroded to its current distinctive shape. It was probably formed by building out a wooden gantry from the cliff face so that the removed material could be dumped well clear of the intended quarry face.<\/strong><\/p>\n\n\n\n<p><strong>Image&nbsp;courtesy of&nbsp;Alan Richardson and information kindly supplied by Simon Chapman.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"\n<p>The remains of the alum quarry at Boulby, although the pyramid shape at the top of the photograph is such a prominent feature of this part of the site, it is not in fact anything special. It appears to be sitting on top of a general quarrying level but is only composed of earth [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[],"class_list":["post-73987","post","type-post","status-publish","format-standard","hentry","category-alum-mines","odd"],"_links":{"self":[{"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=\/wp\/v2\/posts\/73987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=73987"}],"version-history":[{"count":2,"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=\/wp\/v2\/posts\/73987\/revisions"}],"predecessor-version":[{"id":73992,"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=\/wp\/v2\/posts\/73987\/revisions\/73992"}],"wp:attachment":[{"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=73987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=73987"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.image-archive.org.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=73987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}