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CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI

LI Sen XIA Xun-cheng XIAO Hong-lang YANG Gen-sheng

LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. 中国地理科学, 2000, 10(2): 159-167.
引用本文: LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. 中国地理科学, 2000, 10(2): 159-167.
LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. Chinese Geographical Science, 2000, 10(2): 159-167.
Citation: LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. Chinese Geographical Science, 2000, 10(2): 159-167.

CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI

详细信息
    作者简介:

    LI Sen(1948-),male, a native of Lanzhou City of Gansu Province, professor. His research interests include geomorphology, Quaternary geology and desertifcalion.

  • 中图分类号: P941.73

CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI

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出版历程
  • 收稿日期:  1999-08-16
  • 刊出日期:  2000-06-20

CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI

    作者简介:

    LI Sen(1948-),male, a native of Lanzhou City of Gansu Province, professor. His research interests include geomorphology, Quaternary geology and desertifcalion.

  • 中图分类号: P941.73

摘要: The Sahelian region of Mali is one of the areas seriously affected by sandy desertitication in the world.Widely distributed aeolian sand lays a material basis for the development of sandy desertification.Aeolian sand in the region is dominated by fine sand, followed by very fine sand.Sand materials contained in various sand dunes are different in grain size to a certain extent and the mineral compositions of dune sand are dondnated by stable and extreme stable minerals, with high stability and maturity.Aeolian sand in the region mainly comes from the reachvation of ancient sand dunes, the transportation of recent runing water and the sand supply of dry lakes and arroyos.Since the Pliocene this region has experienced four major evolution periods of aelian sand, namely from the Pliocene to the early Quaternary, last glacial period, the Holocene and present.

English Abstract

LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. 中国地理科学, 2000, 10(2): 159-167.
引用本文: LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. 中国地理科学, 2000, 10(2): 159-167.
LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. Chinese Geographical Science, 2000, 10(2): 159-167.
Citation: LI Sen, XIA Xun-cheng, XIAO Hong-lang, YANG Gen-sheng. CHARACTERISTICS, ORIGIN AND EVOLUTION AGES OF AEOLIAN SAND IN THE SAHELIAN REGION OF MALI[J]. Chinese Geographical Science, 2000, 10(2): 159-167.

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