Ⅰ. INTRODUCTION. Among the famous contact iron deposits in China, we should perhaps count first the one occurring at Ta Yeh. Hsien, southeastern Hupei. The historic record on this deposit dated back to the end of Han-dynasty~1 (about
Ⅰ. INTRODUCTION. Among the famous contact iron deposits in China, we should perhaps count first the one occurring at Ta Yeh. Hsien, southeastern Hupei. The historic record on this deposit dated back to the end of Han-dynasty~1 (about
