Preliminary results of the 1992 geoscience program of the Saskatchewan Geological Survey are presented in this report. The geoscience program continued to focus on northern Saskatchewan involving geological remapping and related studies in selected areas of high potential for precious and base metals. The document lists projects from the past year, those ongoing and contributed papers on northern studies. Appendices with titles and abstracts of reports, an organizational chart, acknowledgments and a staff list are included.
Describes results of field work in the northern region of Reindeer Lake on the northern Saskatchewan-Manitoba border, where mapping was carried out from the interior of the Proterozoic Wathaman Batholith to the Archean Peter Lake Domain. The main objective was to establish the nature and timing of the contact relationship between the Archean craton margin and the Wathaman Batholith. Evidence is also presented regarding the nature of the Swan River Pluton and similar bodies north-west of the Batholith.
Significant refinements of biogeochemical methods applied to mineral exploration have been made during more than twenty years since the last major publication on this technique. This innovative, practical and comprehensive text is designed as a field handbook and an office reference volume. It outlines the historical development of biogeochemical methods applied to mineral exploration, and provides details of what, how, why and when to collect samples from all major climatic environments with examples from around the world. Recent commercialization of sophisticated analytical technology permits immensely more insight into the multi-element composition of plants. In particular, precise determination of ultra-trace levels of 'pathfinder' elements in dry tissues and recognition of element distribution patterns with respect to concealed mineralization. Data handling and interpretation are discussed in context of a wealth of previously unpublished information, including a section on plant mineralogy, much of which has been classified as confidential until recently. Data are provided on the biogeochemistry of more than 60 elements and, by case history examples, their roles discussed in assisting in the discovery of concealed mineral deposits. A look to the future includes the potential role of bacteria to provide new focus for mineral exploration. - Describes the practical aspects of plant selection and collection in different environments around the world, and how to process and analyze them - Discusses more than 60 elements in plants, with data interpretation and case history results that include exploration for Au, PGEs, U, base metals and kimberlites
Volume 1 of this special issue of Lithos, dedicated to Roger Clement, presents papers describing the geology and emplacement of several of the recently discovered kimberlites in northern Canada in which diamond mines are now operating. Other papers are concerned with the petrography, age of emplacement, geochemistry and petrogenesis of kimberlites from Canada and other worldwide localities.
