This book investigates the occurrence, properties, and economic significance of feldspar deposits across Canada. Authored by Hugh S. Spence, a recognized expert in Canadian mineral resources, the work draws upon extensive geological surveys, mining reports, and mineralogical analyses. It presents a comprehensive overview of feldspar's role in various industrial applications, particularly in ceramics and glass manufacturing, and assesses the potential for its extraction and utilization within the Canadian context.

This work is recognized as a foundational reference for geologists, mineralogists, and industry professionals interested in Canadian feldspar resources. Its detailed technical information and comprehensive scope make it an invaluable resource for understanding the geological context and economic potential of these minerals. The book is likely to be cited in academic research and used in industry planning for mineral exploration and development.