Marcus Chatfield is the former Owner/Manager of Wireline Workshop (Pty) Ltd, a company that provides mineral logging services for the mining and mineral exploration industry.

He has extensive experience in the field, having worked in various locations such as Africa, Chile, Alaska, Europe, Colombia, USA, and UK. Marcus has a hands-on approach to his work and is self-taught in borehole logging. He is also the author of a bimonthly Wireline Bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. The bulletin covers a range of topics relevant to the industry, such as density, slope stability, and ground conditions assessment. Marcus Chatfield's expertise and practical experience make him a valuable resource for those involved in wireline logging and mineral exploration.