Geological map (1:50,000 scale) of southeastern Ogilvie Mountains area, central Yukon (NTS 116A/10) including geological cross sections and mineral occurrences.

Surficial geological map (1:50,000 scale) of Stewart River Valley, central Yukon parts of NTS map sheets 115O/2,3,6,7 including marginal notes on surficial geology, geomorphology and placer occurrences.

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Surficial geological map (1:50,000 scale) of the Yukon and Sixtymile river valleys (parts of 115O/5, 12 and 115 N/9), western Yukon, including marginal notes on surficial geology, geomorphology and placer occurrences.

Surficial geological map (1:50,000 scale) of North McQuesten River area, central Yukon (NTS 116A/1) including marginal notes on physiography, glacial history, placer gold potential and terrain hazards.

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The map area is a four miles by ten miles strip that extends westward from the summit of Potato Hills. The centre of the map area lies about thirty miles north of Mayo, Yukon. Exposure is poor in many parts of the area, because of the thick Pleistocene cover. The rocks in the area are quartzites of the precambrian Yukon Group. Quartzite is generally micaceous and contains interbedded phyllite. Regional metamorphism (greenschist facies) has affected these rocks. An early bedding plane foliation has been modified by two distinct phases of folding. A granodiorite stock with related sills of similar composition has intruded the metamorphic assemblage and a five hundred feet wide thermal metamorphic aureole that contains corundum has been developed in the metasedimentary rocks around the stock. East trending and later north trending faults have disrupted the rocks. Mineralization in the area is of various types. Silver-lead-antimony veins occur in the west. A preliminary study of their mineralogy shows them to contain jamesonite, galena, sphalerite, chalcopyrite, pyrite, arsenopyrite, tetrahedrite and boulangerite in a gangue of siderite and dolomite. Secondary minerals include bindheimite or stetefeldite, anglesite, goethite, scorodite, covellite and chalcosite. Two stages of Pleistocene ice advance have modified the topography. This thesis is available online at https://open.library.ubc.ca/cIRcle/collections/ubctheses/831/items/1.0104944. A copy of this thesis is available at the EMR library – QE195 T45.

The Klaza River map area encompasses the confluence of the Klaza and Nisling rivers near the southeastern end of theDawson Range. The landscape consists of unglaciated low-dissected mountains.