{"id":1743,"date":"2016-08-15T22:09:12","date_gmt":"2016-08-15T22:09:12","guid":{"rendered":"http:\/\/yinghuiinternational.com\/?p=1743"},"modified":"2016-08-15T22:09:12","modified_gmt":"2016-08-15T22:09:12","slug":"new-curtin-uni-facility-unlocking-hidden-gold","status":"publish","type":"post","link":"https:\/\/yinghuiinternational.com\/index.php\/2016\/08\/15\/new-curtin-uni-facility-unlocking-hidden-gold\/","title":{"rendered":"New Curtin Uni facility unlocking \u2018hidden\u2019 gold"},"content":{"rendered":"
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Scientists at Curtin University have uncovered gold nanoparticles in arsenopyrite using atom probing.<\/p>\n

Curtin West Australian School of Mines (WASM) research associate in applied geology Dr. Denis Fougerouse and other researchers found metallic gold nanoparticles only nanometres in diameter within the mineral, a study which Fougerouse believes is the first of its kind.<\/p>\n

According to Curtin University the study \u201cchallenges the understanding of nanoparticle formation and allowed the team to establish the main controls on gold incorporation in sulphides\u201d.<\/p>\n

Fougerouse explained,\u201d The application of atom probe microscopy in geosciences is relatively new.\u201d<\/p>\n

\u201cThe technique is based on field-evaporation of atoms from tiny, needle-shaped specimens to provide three dimensional sub-nanometre scale information of the position and type of individual atoms in the specimen in the mineral,\u201d he said.<\/p>\n

\u201cTypically the amount of material analysed is really, really small \u2013 a single grain of salt is more than a billion times larger than a typical analysis.\u201d<\/p>\n

Large amounts of these gold nanoparticles are \u2018locked\u2019 in gold-bearing arsenopyrite, a common iron arsenic sulphide.<\/p>\n

\u201cArsrenopyrite is a very common mineral found in Australia and other mines, although not every arsenopyrite contains, it is common to find gold locked inside this mineral,\u201d Fougerouse said.<\/p>\n

\u201cOur results show that gold can be hosted either as nanoparticles or as individual atoms in different parts of the crystal structure<\/span>, and the different types of gold yield important information about the controls on gold deposition as the ore body forms.\u201d<\/p>\n

He went on to say this research supports the capacity of atom probe microscopy in geoscience.<\/p>\n

\u201cOur research shows the Geoscience Atom Probe has the potential to characterise gold deposition processes as the atomic level. In turn this could help unlock hidden gold resources in known deposits, and will enhance gold recovery.<\/p>\n

\u201cNanogeoscience is a new, but rapidly growing research field<\/span>; through this research and use of the Geoscience Atom Probe, we can show that tiny observations can yield big results that have potential economic importance.\u201d<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Scientists at Curtin University have uncovered gold nanoparticles in arsenopyrite using atom probing. Curtin West Australian School of Mines (WASM) research associate in applied geology Dr. Denis Fougerouse and other researchers found metallic gold nanoparticles only nanometres in diameter within the mineral, a study which Fougerouse believes is the first of its kind. According to … Continue reading “New Curtin Uni facility unlocking \u2018hidden\u2019 gold”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[34],"tags":[],"class_list":["post-1743","post","type-post","status-publish","format-standard","hentry","category-new-tech-new-product"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p83F9T-s7","jetpack-related-posts":[{"id":999,"url":"https:\/\/yinghuiinternational.com\/index.php\/2015\/10\/06\/new-technology-boosts-productivity-and-savings-in-mineral-exploration\/","url_meta":{"origin":1743,"position":0},"title":"New technology boosts productivity and savings in mineral exploration","author":"yinghui","date":"October 6, 2015","format":false,"excerpt":"A CSIRO-led innovation that enables fast, automated analysis of rock materials directly from drill sites is to be commercialised, opening the way for millions of dollars worth of potential cost and time savings. 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