【摘 要】
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INTRODUCTION The district city Yuanmo of Yunnan is formerly known as Makai. It issituated approximately at latitude 25°36′N and longitude 102°E. The elevati
【机 构】
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Cenozoic Research Laboratory. Geological Survey of China,
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INTRODUCTION The district city Yuanmo of Yunnan is formerly known as Makai. It issituated approximately at latitude 25°36′N and longitude 102°E. The elevation ofthe Yuanmo basin is about 1,160 meters above sea-level, while the mountain rangesto the east and the west of the basin are generally above 2,000 meters. Thisbasin is drained by the Lungtsuanchiang which runs northward and joins the upper
INTRODUCTION The district city Yuanmo of Yunnan is formerly known as Makai. It issituated approximately at latitude 25 ° 36’N and longitude 102 ° E. The elevation ofthe Yuanmo basin is about 1,160 meters above sea-level, while the mountain rangesto the east and the west of the basin are generally above 2,000 meters. Thisbasin is drained by the Lungtsuanchiang which runs northward and joins the upper
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