Fred T. Mackenzie, American biologist and academic

Frederick T. Mackenzie (born March 17, 1934) is an American sedimentary and global biogeochemist. Mackenzie applies experimental and field data coupled to a sound theoretical framework to the solution of geological, geochemical, and oceanographic problems at various time and space scales.He is identified closely with the book Evolution of Sedimentary Rocks co-authored in 1971 by Mackenzie with Robert M. Garrels, which reawakened and revitalized the scientific community to the ideas of the British geologist James Hutton that lay fallow for more than 150 years. Evolution of Sedimentary Rocks expanded on the theory of reverse weathering proposed by Mackenzie and Garrels in 1966.