logo type public tsx v ade industry mining headquarters toronto canada key people yan kim po chairman interim president and ceo and director website adexmining.com adex mining inc. is a toronto canada based mining exploration company engaged in the development of its wholly owned mount pleasant mine property in charlotte county new brunswick canada . according to a government of canada report mount pleasant is north america s largest tin deposit and the world s largest reserve of indium . 1 the company s stock trades on the tsx venture exchange under the symbol ade . adex holds 102 mineral claims at mount pleasant covering approximately 1 600 hectares 4 000 acres as well as 405 hectares 1 000 acres of surface rights . 2 mount pleasant s fire tower zone contains tungsten molybdenum mineralization and is the site of a past producing tungsten mine operated by bhp billiton from 1983 to 1985 . 3 the property s north zone is the focus of tin indium and zinc exploration . contents 1 tin indium zinc at north zone 2 tungsten molybdenum at fire tower zone 3 recent activities 4 geology 5 references tin indium zinc at north zone edit successive historical exploration drilling programs by previous owners of mount pleasant began the process of defining the property s tin and indium mineralization centred on the north and deep tin zones . adex acquired mount pleasant in 1995 and began conducting exploration and metallurgical tests on the tin indium areas . 4 in 1997 the property was placed in care and maintenance due to poor economic conditions in the mining industry . the tin indium zinc north zone contains a national instrument 43 101 compliant resource estimate of 10 882 000 tonnes in the indicated category at 0.43 % tin 67.8 grams per tonne indium and 0.67 % zinc as well as 7 603 000 tonnes in the inferred category at 0.22 % tin 74.6 grams per tonne indium and 0.99 % zinc . 5 tungsten molybdenum at fire tower zone edit in the early 1980s billiton exploration canada ltd. invested approximately 150 million for the construction of a tungsten mine and mill at mount pleasant s fire tower zone . the facility was active from 1983 to 1985 milling 990 200 tonnes of tungsten ore at a grade of 0.35 % . challenging economic conditions and a downturn in the price of tungsten led to the mine s closure in 1985 . 3 surface facilities from the mine including storage areas conveyor galleries warehouse space and office space remain intact on the property . the fire tower zone contains a national instrument 43 101 compliant resource of 13 489 000 tonnes in the indicated category at 0.33 % tungsten and 0.21 % molybdenum as well as 841 700 tonnes in the inferred category at 0.26 % tungsten and 0.20 % molybdenum . 6 recent activities edit in the summer of 2007 adex reactivated the mount pleasant project . subsequently the company launched a number of programs designed to move the project towards the definitive feasibility study and mine activation phases . work to date has focused on both the tin indium zinc and tungsten molybdenum zones on the property and has included exploration drilling a 43 101 resource estimate on the north zone and the fire tower zone upgrading of tailings impoundment structures and other activities . 7 geology edit the mount pleasant deposits are located in southern new brunswick within the appalachian orogen . these deposits occur within gently dipping late devonian age volcanic and sedimentary rocks that are the remnants of a large epicontinental caldera complex . the regional geology in the mine area is dominated by the mount pleasant caldera the exposed part of which measures approximately 13 by 17 kilometres . multiple layered granitic intrusive rocks and associated mineralization at mount pleasant were emplaced along the southwestern margin of the caldera complex . this structure occurs within the northern extension of the appalachian geosynclinals belt and is situated on the southeast flank of new brunswick s central basin . 8 references edit wright phillip . mineral and metal commodity review tin . natural resources canada 1996 . adex mining inc. company profile natural resources & emerging mining company archived 11 march 2011 at webcite a b truscott brian . adex in redux mode . dow jones newswires reprinted in the national post november 21 2007 . gowan derwin . mining company clears regulatory hurdle adex mining moves ahead with mount pleasant mine . telegraph journal new brunswick december 4th 2007 . dunbar paul et al. an updated technical review of the mount pleasant property including a mineral resource estimate on the north zone southwestern new brunswick for adex mining inc. watt griffis and mcouat ltd. april 13 2012 . http www.adexmining.com overview.php . archived 4 october 2013 at webcite hill liezel . canadian junior on the fast track to reopen former billiton mine . creamer media s mining weekly may 22 2008 . dunbar paul et al. an amended technical review of the mount pleasant property including a mineral resource estimate for the fire tower zone southwestern new brunswick for adex mining inc. watt griffis and mcouat ltd. september 24 2012 . retrieved from https en.wikipedia.org w index.php title adex mining & oldid 632172508 categories companies listed on the tsx venture exchangemining companies of canadatungsten mines in canadaindiumtintungsten miningmolybdenum miningmineral exploration navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 2 november 2014 at 18 49 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