{"id":212,"date":"2018-05-10T09:14:36","date_gmt":"2018-05-10T16:14:36","guid":{"rendered":"https:\/\/cms.eas.ualberta.ca\/dif\/?page_id=212"},"modified":"2024-02-26T09:52:38","modified_gmt":"2024-02-26T16:52:38","slug":"scanning-thin-sections","status":"publish","type":"page","link":"https:\/\/cms.eas.ualberta.ca\/dif\/case-studies-tutorials\/scanning-thin-sections\/","title":{"rendered":"Scanning Thin Sections"},"content":{"rendered":"<p>The Nikon Coolscan 5000 &amp; 9000 slide scanners each enable rapid and easy acquisition of a high-resolution image of an entire thin section in transmitted light. Both cross-polarized and non-polarized images can be obtained for the same thin section. We are using high <a href=\"https:\/\/www.apioptics.com\/product\/ap38-006t\/\">extinction 38% neutral grey linear polarizer films<\/a> (AP38-006T) for our cross-polarized images.<\/p>\n<p>Note: very useful video of how to measure selected areas in photoshop:\u00a0 &#8220;<a href=\"https:\/\/www.youtube.com\/watch?v=vdnd88baxV8\">Using Photoshop to measure areas in a histological section<\/a>&#8221;<\/p>\n<h3>Applications<\/h3>\n<ul>\n<li>teaching: capture the features of interest in a thin section to exhibit to a class or student;<\/li>\n<li>mapping for microanalysis: locate your points for reference during: electron probe microanalysis, or laser-ablation inductive-coupled-plasma mass-spectrometry, or secondary-ion mass-spectrometry;<\/li>\n<li>publication: for presentations, posters, manuscripts, or books.<\/li>\n<\/ul>\n<p>The thin sections are scanned at 4000 dpi (optical resolution). This will provide sufficient resolution to print the image of a thin section (1.5 x 1.0 inches or 3.8 x 2.5 cm) on a sheet of paper with dimensions of 12 x 18 inches.<\/p>\n<table>\n<thead>\n<tr>\n<th width=\"50%\">non-polarized<\/th>\n<th width=\"50%\">crossed polarizers<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th colspan=\"2\">Dolostone &#8211; Tyndall stone &#8211; dolomitized burrows, calcite dyed red<br \/>\nManitoba<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/1828.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/1828.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/1828.jpg\">download (30.32 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/1828-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/1828-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/1828-pol.jpg\">download (28.43 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Sandstone &#8211; Arkosic wacke<br \/>\nColorado Springs, Colorado<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/5523a.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/5523a.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/5523a.jpg\">download (34.21 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/5523a-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/5523a-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/5523a-pol.jpg\">download (26.35 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Limestone &#8211; Grainstone, Great Barrier Reef, Australia:<br \/>\nred algae, gastropods, bivalves, echinoids, etc.<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/6636.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/6636.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/6636.jpg\">download (25.15 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/6636-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/6636-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/6636-pol.jpg\">download (24.92 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Harzburgite &#8211; Sheared garnet harzburgite<br \/>\nKimberley, South Africa<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/EA436_1.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/EA436_1.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/EA436_1.jpg\">download (31.65 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/EA436_1-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/EA436_1-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/EA436_1-pol.jpg\">download (29.6 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Kimberlite &#8211; Tuffisitic kimberlite breccia<br \/>\nKimberley, South Africa<br \/>\nTwo generations of olivine in perovskite-rich matrix that is highly altered<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/EA436_10.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/EA436_10.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/EA436_10.jpg\">download (30.4 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/EA436_10-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/EA436_10-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/EA436_10-pol.jpg\">download (25.91 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Sandstone &#8211; Quartz arenite<br \/>\nFrontenac County, Ontario<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/m950.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/m950.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/m950.jpg\">download (31.29 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/m950-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/m950-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/m950-pol.jpg\">download (21.49 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Marble &#8211; with Tremolite vein<br \/>\nPilot Bay, British Columbia<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/minII026.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/minII026.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/minII026.jpg\">download (32.24 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/minII026-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/minII026-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/minII026-pol.jpg\">download (27.06 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Granitoid &#8211; Porphyritic granodiorite<br \/>\nNelson Batholith, British Columbia<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/minII037.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/minII037.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/minII037.jpg\">download (30.86 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/minII037-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/minII037-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/minII037-pol.jpg\">download (24.34 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Schist &#8211; Andalusite biotite schist<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/minII038.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/minII038.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/minII038.jpg\">download (29.97 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/minII038-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/minII038-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/minII038-pol.jpg\">download (22.78 MB)<\/a><\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">Komatiite &#8211; Spinifex texture<br \/>\nMunro Township, Ontario<\/th>\n<\/tr>\n<tr>\n<td><a href=\"\/files\/samples\/low_res\/munro_ph.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/munro_ph.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/munro_ph.jpg\">download (28.47 MB)<\/a><\/td>\n<td><a href=\"\/files\/samples\/low_res\/munro_ph-pol.jpg\"><img decoding=\"async\" src=\"\/files\/samples\/thumbnails\/munro_ph-pol.jpg\" border=\"0\" \/><\/a><br \/>\n<a href=\"\/files\/samples\/low_res\/munro_ph-pol.jpg\">download (26 MB)<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>The Nikon Coolscan 5000 &amp; 9000 slide scanners each enable rapid and easy acquisition of a high-resolution image of an entire thin section in transmitted light. Both cross-polarized and non-polarized images can be obtained for the same thin section. We are using high extinction 38% neutral grey linear polarizer films (AP38-006T) for our cross-polarized images.&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":20,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-212","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/pages\/212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/comments?post=212"}],"version-history":[{"count":14,"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/pages\/212\/revisions"}],"predecessor-version":[{"id":520,"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/pages\/212\/revisions\/520"}],"up":[{"embeddable":true,"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/pages\/20"}],"wp:attachment":[{"href":"https:\/\/cms.eas.ualberta.ca\/dif\/wp-json\/wp\/v2\/media?parent=212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}