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地质学
PRELIMINARY OBSERVATIONS IN THE KALGAN AREA
<正> INTRODUCTION. Though it has been recognized that no general submergence of the north-eastern part of China has taken place since the beginning of the Mesozoic Era, until recently corroborative evidence of continental deposits has been lacking for several of the post-Jurassic periods. In particular, no Cretaceous
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中国地质学会志
1924年02期
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