{"id":655,"date":"2018-08-15T10:30:32","date_gmt":"2018-08-15T14:30:32","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/igffacility\/?page_id=655"},"modified":"2024-10-24T16:05:37","modified_gmt":"2024-10-24T20:05:37","slug":"analytical-capabilities-for-rock-samples","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/igffacility\/analytical-capabilities-for-rock-samples\/","title":{"rendered":"Analytical Capabilities for Rock Samples"},"content":{"rendered":"\n\n\t<h1>Analytical Capabilities for Rock Samples<\/h1>\n<h3>Analysis of Rock Samples<\/h3>\n<p>We have\u00a0two capabilities for the measurement of helium isotopes in rock, volcanic glass,\u00a0and mineral samples.<\/p>\n<p><strong>Crushing: <\/strong>We have three rock-crushing devices that allow us to sample helium and neon trapped in vesicles in samples and mineral separates. Samples are placed in the vessels and evacuated. Blanks can be run to ensure there are no contribution from surface adsorption. Samples are crushed using magnetically actuated stainless steel pistons, and the evolved gas harvested in the fully automated gas processing line. The samples are previewed using a Hiden quadrupole mass spectrometer and subsequently purified, cryogenically\u00a0separated,\u00a0and split (if required) to inject a pure helium fraction into the mass spectrometer for analysis.<\/p>\n<p><strong>Melting: <\/strong>Minerals can be melted in our low-blank\u00a0UHV furnace that operates to a maximum of 2000 C. The samples are loaded into a 6 position manifold that sequentially drops samples into the furnace crucible. Step-wise heating can be performed as well.<\/p>\n<p>We also measure gas samples (see second figure on this page).<\/p>\n\t<div id=\"attachment_652\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-content\/uploads\/sites\/15\/2018\/08\/R1SubmarineGlass_290033.jpg\"><img aria-describedby=\"caption-attachment-652\" loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-content\/uploads\/sites\/15\/2018\/08\/R1SubmarineGlass_290033-300x199.jpg\" alt=\"submarine glass\" width=\"300\" height=\"199\" \/><\/a><p id=\"caption-attachment-652\" class=\"wp-caption-text\">An example of the samples we can analyze.<\/p><\/div>\n\n\t<div id=\"attachment_653\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-653\" loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-content\/uploads\/sites\/15\/2018\/08\/R2MS2_76071-300x225.jpg\" alt=\"helium isotope mass spectrometer system for rock analyses (MS2).\" width=\"300\" height=\"225\" \/><p id=\"caption-attachment-653\" class=\"wp-caption-text\">Our dedicated helium isotope mass spectrometer system for rock analyses (MS2).<\/p><\/div>\n\n\t<div id=\"attachment_654\" style=\"width: 227px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-content\/uploads\/sites\/15\/2018\/08\/R3Smokey_Mark_76364.jpg\"><img aria-describedby=\"caption-attachment-654\" loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-content\/uploads\/sites\/15\/2018\/08\/R3Smokey_Mark_76364-217x300.jpg\" alt=\"Smoke\" width=\"217\" height=\"300\" \/><\/a><p id=\"caption-attachment-654\" class=\"wp-caption-text\">&#8220;Welcome to Hell!&#8221; murmured Doctor Evil in his slyest voice&#8230;<\/p><\/div>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Analytical Capabilities for Rock Samples Analysis of Rock Samples We have\u00a0two capabilities for the measurement of helium isotopes in rock, volcanic glass,\u00a0and mineral samples. Crushing: We have three rock-crushing devices that allow us to sample helium and neon trapped in vesicles in samples and mineral separates. Samples are placed in the vessels and evacuated. Blanks&hellip;<\/p>\n","protected":false},"author":13,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/pages\/655"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/comments?post=655"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/pages\/655\/revisions"}],"predecessor-version":[{"id":837,"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/pages\/655\/revisions\/837"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/igffacility\/wp-json\/wp\/v2\/media?parent=655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}