Y.C.SUN;
PROCEEDINGS OF THE TENTH GENERAL MEETING OF THE GEOLOGICAL SOCIETY OF CHINA HELD IN PEKING UNION MEDICAL COLLEGE, MAY 15, 1925.
The senior author has, since several years,~1 pointed out the high magnesian content in the upper Wutai formation in which frequently occur
Y. C. SUN;.1925. ON THE MAGNESIAN CONTENT OF THE PRE-GAMBRIAN MARBLE IN NORTH CHINA.[J]. ACTA GEOLOGICA SINICA(English edition),4(Z1):197
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