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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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AuthorPinet, N; Sack, P J; Mercier-Langevin, P; Lavoie, D; 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)
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedThis publication is contained in Rogers, N; (2018). Targeted Geoscience Initiative: 2017 report of activities, volume 1, Geological Survey of Canada, Open File 8358
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; ore systems approach; Carlin-type deposits; decarbonatization; argillitization; 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.