对冀北晚更新世地层的新认识

REGIONGL GEOLOGY OF CHINA(2000)

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Abstract
冀北晚更新世地层划分为迁安组与马兰组.迁安组形成于整个晚更新世,以河流相沉积为主,早期为温暖气候环境,晚期为寒冷气候环境,可划分为两个生物组合类型.马兰组形成于晚更新世晚期,为寒冷干旱气候环境下多种成因形成的一套堆积物.
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