ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,347, issued on Aug. 5, was assigned to Zijin Mining Group Co. Ltd. (Longyan, China) and CHINA UNIVERSITY OF GEOSCIENCES (WUHAN) (Wuhan, China).

"Method for in-situ U-Pb dating of heterogeneous minerals" was invented by Youye Zheng (Wuhan, China), Shouhong Lin (Wuhan, China), Changshun Jia (Wuhan, China), Xiaodan Lai (Wuhan, China), Xu Kang (Wuhan, China), Jinzhang Zhang (Wuhan, China), Rongzhu Guan (Wuhan, China), Xiaojia Jiang (Wuhan, China) and Xin Chen (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for in-situ U-Pb dating of heterogeneous minerals, a target mineral is separated and purified by carrying out data analysis, ...