Eldridge Moores (October 13, 1938 – October 28, 2018) was an American geologist.^[1] He specialized in the understanding of ophiolites (fragments of oceanic crust and mantle that have been emplaced onto the continental crust) and the geology of the continental crust of the Western United States and Tethyan belt, the geology of Greece, Cyprus, and Pakistan, and the tectonic development of the Sierra Nevada and the Alpine - Himalayan systems.^[1]

Moores was Distinguished Professor Emeritus of Geology at the University of California, Davis.^[1]

In 1996, Moores was President of the Geological Society of America (GSA)^[2] and editor of the society's journal Geology from 1981 to 1989. He is the recipient of the GSA's Distinguished Service Award and the Geological Association of Canada Medal.^[3]

Together with geologist Robert J. Twiss, Moores co-authored two textbooks: Tectonics^[4] and Structural Geology^[5]

Moores is the main subject of the John McPhee book on California geology, Assembling California (1993),^[6] as well as McPhee's Annals of the Former World (1998).^[7]

In 2013, Eldridge Moores was awarded the title of UC Davis distinguished professor emeritus. This title is awarded annually by the UC Davis Emeriti Association on the basis of outstanding contributions following retirement in the traditional areas of teaching, research and service.^[8]