中国陆架第四纪地质学研究的最新进展

doi:10.11867/j.issn.1001-8166.1995.06.0531

地球科学进展 ›› 1995, Vol. 10 ›› Issue (6): 531 -536. doi: 10.11867/j.issn.1001-8166.1995.06.0531

中国陆架第四纪地质学研究的最新进展

于洪军,刘敬圃

中国科学院海洋研究所青岛 266071

收稿日期:1994-11-17 出版日期:1995-12-01
通讯作者: 于洪军

ADVANCES IN STUDY OF CHINA’S SHELF QUATERNARY GEOLOGY

Yu Hongjun,Liu Jingpu

Institute of Oceanology, Academia Sinica, Qingdao 266071

Received:1994-11-17 Online:1995-12-01 Published:1995-12-01

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自本世纪50年代以来，中国的陆架地质学的研究已经取得了长足的进步。尤其是90年代以来对于晚第四纪的陆架环境的研究，出现以“陆架沙漠化”为首的一系列最新理论和重大发现。综述和总结了这一领域的最新成就：①末次冰期盛时中国陆架区的环境演变特点；②末次冰期盛时出露的陆架平原上的沙漠化现象、成因及证据；③陆架区海底埋藏黄土的发现与沿岸出露黄土的对比分析及意义。

关键词: 陆架第四纪地质学, 古冬季季风, 陆架沙漠化, 海底埋藏黄土

    From the1950’s, the study of China’s continental shelf Geology has made great progress, especially in the study of the environmental evolution of Late Quaternary. This paper summarized the new advances in this field.
    1.Environmental evolution on the China’s shelf during the LGM period:
    ①Sea-level changes and land-ocean distribution during the LGM period;
    ②The prevailed winter monsoon and its environmental effect;
    ③Relationship of sea-level and river retreated and extended.
    2.The shelf desertization and its evidences during the LGM period in the marine stratum:
    ①Cold-dry environment extended into the exposed shelf region;
    ②Aeolian deposits and derivative sediment on the shelf;
    ③Buried geomorphological evidences of shelf desertization.
    3.Origin of the buried loess in the sea bottom and exposed loess in the coastal zone:
    ①The relationship of desert and loess deposits;
   ②Shelf desertization and the coastal loess;
    ③The strong paleomonsoon prevailed and loess accumulation on the exposed shelf area.

Key words: Shelf Quaternary geology, Paleo-winter monsoon, Shelf desertization, Buried loess.

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