ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,318, issued on Nov. 18, was assigned to Tibet Julong Copper Co. Ltd. (Lhasa, China) and CHINA UNIVERSITY OF GEOSCIENCES (WUHAN) (Wuhan, China).

"Method for determining metallogenic potential of porphyry by using trace elements and b isotope of tourmaline" was invented by Youye Zheng (Wuhan, China), Xin Chen (Wuhan, China), Xiaofang Dou (Wuhan, China), Jianhui Wu (Wuhan, China), Feng Gao (Wuhan, China), Yibin Lin (Wuhan, China), Jiancuo Luosang (Wuhan, China), Nan Chao (Wuhan, China) and Shunli Zheng (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for determining metallogenic potential of a porphyry by using trace elements an...