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TitreTill geochemical signatures of the Halfmile Lake Zn-Pb-Cu volcanogenic massive sulphide deposit, Bathurst Mining Camp, New Brunswick
TéléchargerTéléchargements
AuteurBudulan, G; McClenaghan, M B; Parkhill, M A; Layton-Matthews, D; Pyne, M
SourceCommission géologique du Canada, Dossier public 7174, 2013, 122 pages, https://doi.org/10.4095/292442
LiensCanadian Database of Geochemical Surveys, downloadable files
LiensBanque de données de levés géochimiques du Canada, fichiers téléchargeables
Année2013
ÉditeurRessources naturelles Canada
Documentdossier public
Lang.anglais
DOIhttps://doi.org/10.4095/292442
Mediaen ligne; numérique
Liensreadme
Formatsrtf; pdf; xls
ProvinceNouveau-Brunswick
SNRC21O/08
Lat/Long OENS-66.3500 -66.3000 47.3333 47.3000
Sujetsdépôts glaciaires; tills; géochimie du till; dépôts de till; éléments d'indice; exploration de dépôts glaciaires; profils de dispersion; dispersion des sédiments; minéralisation; zinc; cuivre; plomb; or; argent; arsenic; bismuth; antimoine; mercure; selenium; étain; cadmium; gallium; soufre; baryum; gîtes volcanogènes; gîtes sulfureux; méthodes d'exploration; écoulement glaciaire; Camp minier de Bathurst; géologie des dépôts meubles/géomorphologie; géologie économique; géochimie; Cénozoïque; Quaternaire
Illustrationslocation maps; photographs; tables; cross-sections
Consultation
Endroit
 
Bibliothèque de Ressources naturelles Canada - Ottawa (Sciences de la Terre)
 
ProgrammeProjet de recherche en zones profondes IGC-3, Initiative géoscientifique ciblée (IGC-3), 2005-2010
ProgrammeÉtude des gîtes de sulfures massifs volcaniques, Initiative géoscientifique ciblée (IGC-4)
Diffusé2013 04 23
Résumé(disponible en anglais seulement)
The Halfmile Lake study was conducted as part of the Geological Survey of Canada's Targeted Geoscience Initiative (TGI-3) Program under the Deep Search Project to document the geochemical and indicator mineral signatures of the till around the Halfmile Lake Zn-Pb-Cu volcanogenic massive sulphide (VMS) deposit in northcentral New Brunswick. Bedrock and till samples were collected in 2007 and 2008 at varying distances up- and down-ice of the deposit. Sampling was focused on the South Upper AB zone because it is the surface expression of the deposit and is capped by a preglacial gossan. Mineralization consists of a Curich stringer zone stratigraphically overlain (structurally underlain) by a Pb-Zn massive sulphide zone. A metal-rich gossan composed of secondary minerals is found at surface. Till in the Halfmile Lake deposit study area is thin (<2 m), light olive brown to dark brown in colour, and silty sand to sandy silt in texture. Ice flow across the deposit area was towards the east-northeast. The pathfinder elements in the <0.063 mm fraction of till that define the signature of the deposit include Cu, Pb, Zn, Ag, As, Au, Bi, Hg, Sb, Se, and Sn. Elevated concentrations of these elements in till down-ice are consistent with the ore mineralogy of the Halfmile Lake deposit and demonstrate that till geochemistry is a useful tool for detecting VMS mineralization in the glaciated terrain of the Bathurst Mining Camp.
GEOSCAN ID292442