This 1983 publication, titled 'Gold Exploration in the Timmins Area: Using Field and Lithogeochemical Characteristics of Carbonate Alteration Zones,' is Ontario Geological Survey Study 26. A comprehensive resource authored by J. Andy Fyon and J.H. Crockett, it provides critical insights into carbonate alteration zones associated with gold deposits. Manufactured in Canada, it includes maps, charts, and analytical data on Precambrian carbonate mineralization processes.