| Title | Factors controlling intrusion-related mineralization in Cape Breton Island, Nova Scotia: a comparison of Silurian-Devonian plutons in Ganderia and Avalonia |
| Download | Download (whole publication) |
| Author | Moning, A; Barr, S M; White, C E; Sombini dos Santos, G; van Rooyen, D |
| Source | Targeted Geoscience Initiative: 2017 report of activities, volume 1; by Rogers, N (ed.); Geological Survey of Canada, Open File 8358, 2018 p. 31-35, https://doi.org/10.4095/306402 (Open Access) |
| Year | 2018 |
| Publisher | Natural Resources Canada |
| Document | open file |
| Lang. | English |
| Media | on-line; digital |
| Related | This publication is contained in Rogers, N; (2018). Targeted
Geoscience Initiative: 2017 report of activities, volume 1, Geological Survey of Canada, Open File 8358 |
| File format | pdf |
| Province | Nova Scotia |
| NTS | 11F/09; 11F/10; 11F/11; 11F/14; 11F/15; 11F/16; 11G/13; 11J/04; 11J/05; 11K; 11N/01; 11N/02 |
| Area | Canadian Appalachians; Cape Breton Island; Gillis Mountain; Leonard MacLeod Brook |
| Lat/Long WENS | -61.5000 -59.5000 47.2500 45.5000 |
| Subjects | economic geology; tectonics; structural geology; mineralogy; geochemistry; geophysics; geochronology; mineral deposits; mineral exploration; mineral potential; porphyry deposits; copper; molybdenum; ore
mineral genesis; ore controls; structural controls; mineralization; sulphides; host rocks; geochemical analyses; trace element analyses; major element analyses; isotopic studies; radiometric dating; neodymium samarium dates; drill core analyses;
petrographic analyses; x-ray fluorescence analyses; geophysical logging; tectonic setting; intrusions; plutons; emplacement; bedrock geology; lithology; igneous rocks; plutonic rocks; granitic rocks; granites; diorites; gabbros; monzo-granites;
volcanic rocks; sedimentary rocks; metamorphic rocks; orthogneisses; mylonites; mineral assemblages; structural features; shear zones; Ganderia; Aspy Terrane; Avalonia; Mira Terrane; Gillis Mountain Pluton; Bras-d'Or Terrane; Appalachian Orogen;
Sarach Brook Metamorphic Suite; MacRae Brook Formation; MacMillan Mountain Formation; ore systems approach; rare earth elements (REE); Phanerozoic; Paleozoic; Devonian; Silurian; Ordovician; Cambrian; Precambrian; Proterozoic |
| Illustrations | geoscientific sketch maps |
| Program | Targeted
Geoscience Initiative (TGI-5), Knowledge Management Coordination |
| Program | Targeted
Geoscience Initiative (TGI-5), Porphyry systems |
| Released | 2018 01 19 |
| Abstract | The Devonian Gillis Mountain granitoid pluton in the Avalonian Mira terrane of southern Cape Breton Island hosts porphyry-style copper-molybdenum mineralization. In contrast, plutons of assumed similar
age and containing similar rock types in the Leonard MacLeod Brook area of the Ganderian Aspy terrane of northern Cape Breton Island are not known to be mineralized. Hence a comparison of features such as host rocks, depth of emplacement, mineralogy,
and chemical composition between plutons in these two areas may provide insight about factors controlling porphyry -style mineralization. During the summer of 2017, existing samples from the Gillis Mountain pluton were re-analyzed to obtain a modern
set of trace element data, and previously unstudied drill core from the pluton was sampled for petrological study. Plutons in the Leonard MacLeod Brook area were mapped and sampled for petrological studies and dating, now in progress. |
| GEOSCAN ID | 306402 |
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