Orogenic gold deposits are formed during orogeny, typically within metamorphic belts where gold is concentrated by hydrothermal fluids. These deposits are significant for gold exploration and understanding the processes of mineralization associated with tectonic activity.
Source Groves, D. I., Goldfarb, R. J., Robert, F., & Hart, C. J. R. (2003). “Gold Deposits in Metamorphic Belts: Overview of Current Understanding, Outstanding Problems, Future Research, and Exploration Significance.” Economic Geology, 98(1), 1-29.