Dr. Mark Defant

Geochemist and geologist

Dr. Mark Defant is a geochemist and geologist with a focus on volcanoes and continental crust formation. He has conducted fieldwork in Kamchatka and Central America and has published numerous papers on his research. Defant is also a public speaker and has given talks on his work at conferences and events. He is known for his expertise in the field of geology and has a strong online presence. Defant has a Ph.D. in geo...