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The Hanjialing pluton occurs within a Paleoproterozoic rift belt in the Liaodong Peninsula in Northeast China, a region endowed with rich polymetallic mineral deposits including gold, lead, and zinc. The genesis and distribution of these ores are closely related to the formation of the pluton. Here, we reconstruct the three‐dimensional geological characteristics of the Hanjialing pluton in an attempt to constrain the relationship between intrusion and mineralization. Our high‐precision gravity and magnetic measurements and magnetotelluric profiles trace the three‐dimensional geometry of the pluton as an inflated balloon. We also demarcate its lateral and vertical extension and characterize the distribution of the associated ore mineralization. Our data suggest that more than 8 km of the upper part of the intrusion has been removed by erosion since the Cretaceous. [ABSTRACT FROM AUTHOR]