This volume is the second in a series of publications which document recent research in glacial history, surficial geology, geomorphology, placer geology, placer mining and mine reclamation in the Yukon

This volume contains 11 technical papers: E. Bordet - Bedrock geology of the Teslin Mtn and east Lake Laberge areas S.H. Ellis et al. - Clast fabric analysis of glacial diamict, Liard Lowlands T.A. Fraser et al. - Yukon shale studies overview M.A. Friend et al. - Bedrock geology of the Mt. Freegold district M.P. Hutchison - Devonian-Mississippian shale stata, Liard basin K.E. Kennedy - Evidence for limited glaciatin, northern Kluane Range T. Liverton and S. Casselman - Mod property, VMS mineralization M.J. Manor and S.J. Piercey - Chronostratigraphic framework, Finlayson Lake region D. Moynihan - Late Neoproterozoic limestone, Tillei and McPherson lakes A. Steiner et al. - Carlin-type gold mineralization, Nadaleen trend L.H. van Drecht and L.P. Beranek - Basal Laberge Group stratigraphy, Whitehorse trough

This volume of Yukon Geology is the first of a series that will report on geology of the Yukon, especially those studies with an economic aspect. It is an outgrowth of the Yukon Exploration and Geology series, containing the material that made up the first half of the book. That material forming the second half of the book (summaries of mine production, current mineral exploration work and description of mineral showings) is now published in the Yukon Exploration series. Most of the papers in this volume represent work of geologists involved in graduate thesis work supported in varying degrees by Exploration and Geological Services Division. Other papers represent work of geologists with the Division involved in conducting economic geology investigations in Yukon, and geologists from mining companies and other government agencies. In addition, two contributions were funded by the Canada-Yukon Economic Development Agreement (EDA).

This volume follows earlier annual Mineral Industry Reports for Yukon published by the Department of Indian Affairs and Northern Development. In addition to the summaries of work by exploration companies found in those earlier publications, this volume contains reports on the geology of mineral deposits and mineral districts under active investigation by geologists of the Department. This volume further includes a set of maps showing most known mineral occurrences in relation to the mineral and placer claims in good standing with references to descriptions of each occurrence. It is intended to keep these maps up-to-date and to produce them annually as a convenient inventory of occurrences. This volume contains material for two years, effectively bringing this report series up-to-date. The new title for the report was chosen to more accurately reflect its content.

This report contains three main sections: 1) introduction and overview of the Yukon Mineral industry; 2) technical reports by government and contributing geologists on the geology of Yukon mineral deposits and mineral districts under active investigation; and 3) descriptions of mineral properties and mineral claims staked in 1981 and summaries of assessment work undertaken by exploration companies to obtain assessment credits.

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The 2005 volume has four parts. The first Mineral Industry includes overviews of hardrock and placer mining, development and exploration in the territory as well as a summary of the Yukon Mining Incentives Program. The second part Government outlines the activities and organization of the Yukon Geological Survey, and includes announcements of the sixth Mining Land Use Reclamation Awards, the Robert E. Leckie Awards. The third part Geological Fieldwork contains reports describing regional mapping, and more detailed geoscience studies. The last part Property Description is meant for submissions from the mineral industry on mineral occurrences and deposits. This year there is only one paper on a mineral occurrence in the Mayo area.

This volume of Yukon Geology is the second of a series that reports on geology of the Yukon, especially those studies with an economic aspect. It is an outgrowth of the Yukon Exploration and Geology series, containing the material that made up the first half of the book. That material forming the second half of the book (summaries of mine production, current mineral exploration work and description of mineral showings) is now published in the Yukon Exploration series. Most of the papers in this volume represent work of geologists involved in graduate thesis work supported in varying degrees by Exploration and Geological Services Division. Other papers represent work of geologists with the Division involved in conducting economic geology investigations in Yukon, and geologists from mining companies and other government agencies. In addition, two contributions were funded by the Canada-Yukon Economic Development Agreement (EDA).

Yukon Exploration and Geology 1999 consists of four parts: Part 1 is a comprehensive overview of mining and exploration activity in the Yukon; Part 2 outlines the activity and organization of the Yukon Geology Program; Part 3 contains regional reports from new government mapping, geochemical and geophysical studies, as well as some placer deposit studies; and Part 4 is a collection of reports by industry and government geologists on new mines and mineral occurrences with recent exploration advances.