【摘 要】
：
Until recently,the geology of the vicinity of Jungcheng city was almostunknown.In the famous work of von Richthofen~1,the whole area of thisregion had not been
【机 构】
：
National Geological Survey of China,The Geological Survey of Kwangtung ＆ Kwangsi,
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Until recently,the geology of the vicinity of Jungcheng city was almostunknown.In the famous work of von Richthofen~1,the whole area of thisregion had not been surveyed at all although the mere district of Cheng-shantou (成山头) has been mapped,erroneously,as a spot of Arch(?)an
Until recently, the geology of the vicinity of Jungcheng city was almostunknown. The famous work of von Richthofen ~ 1, the whole area of thisregion had not been surveyed at all although the mere district of Cheng-shantou has been mapped , erroneously, as a spot of Arch (?) an
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