Geological Survey of Canada, Open File 2168

alteration amphibolite Archean arsenopyrite auriferous Banting Group basin beds biotite breccia Campbell Shear carbonate Cass complex conglomerate Contwoyto Lake deformation diabase DIAND dip unknown District of Mackenzie drilling east Exploration Overview facies Fault felsic felsic volcanics fluid fold foliation fractures Frith gabbro Geological Survey gneiss gold deposits grade granite granitoid granodiorite greenstone belt greywacke Hackett River Helmstaedt Henderson host Indin Indin Lake intermediate intrusive iron formation isograd isotopic Lake area lineation Lupin mafic mafic volcanics Main Zone mapping massive sulphide metamorphic metasediments metres mineralization NERCO Northwest Territories NWT Geology Division Padgham pegmatite pillowed Plutonic Point Lake Proterozoic pyrite pyrrhotite quartz quartz veins quartzarenite regional River volcanic belt rocks sedimentary sediments sequence shear zones showings Slave Province Slave Structural Province sphalerite Stratigraphy subzone supracrustal Survey of Canada syenite T-Zone tectonic terranes Thor Lake trending TUFF turbidite vertical Wheeler Lake Yellowknife Supergroup YkSG YkVB zircon