| Reference | {Deposit:: VEI CHOW, J. 1946: MINERAL RESOURCES OF CHINA.- ECON. GEOL., VOL.41,NO.4, P.399-474}{Deposit:: U.S. BUREAU OF MINES, 1948, FOREIGN MINERALS SURVEY: MINERAL RESOURCES OF CHINA.- US-DEPT. INT. WASHINGTON, D.C. 1948}{Deposit:: AHNERT, E.E., 1929: MINERAL RESOURCES OF NORTH MANCHURIA.- MEM. GEOLOGICAL SURVEY CHINA SER.A. NO.7, DECEMBER 1929, PEIPING}{Deposit:: ZHAOYANG, H. AND YANTANG, Y., 1984:DEVELOPMENT AND UTILISATION OF INDUSTRIAL MINERALS IN CHINA.- 6TH. INDUSTRIAL MINERALS INTERNATIONAL CONGRESS, 1984; INDUST. MIN. SPEC. ISS.} |