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TitleBreccia styles and controls on carbonate replacement-type ('Carlin-type') gold zones, Rackla belt, east-central Yukon
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorPinet, N; Sack, P J; Mercier-Langevin, P; Lavoie, DORCID logo; Dubé, B; Lane, J; Brake, V
SourceTargeted Geoscience Initiative: 2017 report of activities, volume 1; by Rogers, N (ed.); Geological Survey of Canada, Open File 8358, 2018 p. 163-168, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedThis publication is contained in Targeted Geoscience Initiative: 2017 report of activities, volume 1
File formatpdf
NTS106C/01; 106C/02
Lat/Long WENS-133.0000 -132.0000 64.1667 64.0500
Subjectseconomic geology; tectonics; sedimentology; mineral deposits; mineral exploration; mineral potential; gold; replacement deposits; carbonate; sedimentary ore deposits; ore mineral genesis; mineralization; ore controls; structural controls; drillholes; geophysical logging; tectonic setting; brecciation; hydrothermal systems; sedimentary petrology; dolomitization; fluid flow; alteration; silicification; intrusions; veins; calcite; metamorphism; deformation; cleavage; mineral associations; realgar; orpiment; bedrock geology; lithology; breccias; clasts; structural features; faults; faults, thrust; folds; anticlines; synclines; Rackla Belt; Conrad Prospect; Sunrise Prospect; Anubis Prospect; Selwyn Basin; Dawson Thrust; Kathleen Lakes Fault; Nadaleen Formation; Gametrail Formation; Neoproterozoic; Phanerozoic; Paleozoic; Devonian; Silurian; Ordovician; Cambrian; Precambrian; Proterozoic
Illustrationslocation maps; geoscientific sketch maps; flow diagrams; schematic representations; photographs
ProgramTargeted Geoscience Initiative (TGI-5) Knowledge Management Coordination
ProgramTargeted Geoscience Initiative (TGI-5) Gold systems
Released2018 01 19
AbstractDrillhole logging of the three main Carlin-type prospects of eastern Rackla belt (north-central Yukon) demonstrates the diversity of ore styles and the frequent association of mineralization with several types of brecciated intervals formed through sedimentary, hydrothermal and/or tectonic processes. This attests to the opportunistic nature of mineralizing fluids that exploit permeable pathways, regardless of their origin.
Summary(Plain Language Summary, not published)
The Targeted Geoscience Initiative (TGI) is directed towards providing next generation knowledge and methods to facilitate more effective targeting of buried mineral deposits. The program aims to enhance the effectiveness of exploration for Canada¿s major mineral systems by resolving foundational geoscience problems that constrain the geological processes responsible for the liberation metals from their source region, transportation of these ore metals and control their eventual deposition. TGI supports projects on gold, Ni-Cr-PGE, porphyry-style mineralization, uranium and volcanic- and sedimentary-hosted base metal mineralization ore systems, with each project divided into subprojects focused on resolving specific knowledge gaps by integrating data and studies from multiple sites across Canada. Herein, we present interim results and interpretations from a selection of the research activities currently being conducted under the auspices of TGI.

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