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标题

青藏高原西南部仲巴地区细石器人类活动的时代探讨

作者

李拓宇 伍永秋 杜世松 黄文敏 蒿承智

机构

北京师范大学地表过程与资源生态国家重点实验室; 北京师范大学防沙治沙教育部工程研究中心;河北师范大学资源与环境科学学院

摘要

青藏高原西南部仲巴地区已发现有三处细石器遗存地点,在仲巴地区选取了一个全新世风成沉积剖面进行年代测试分析以及粒度、地球化学元素等环境指标的分析,探讨仲巴地区的人类活动与气候变化及风沙活动的关系,进而推算细石器遗存的时代。8.9~7.3 ka BP为气候湿润,风沙活动弱,成壤作用较强的时期,自然资源相对丰富,能够为细石器先民提供良好的狩猎活动条件。到7.3~3.8 ka BP时期,气候干燥,风沙活动强,不利于人类活动。因此推测该区细石器遗存的形成时代在8.9~7.3 ka BP左右。

关键词

全新世;风沙活动;气候变化;仲巴地区;细石器

引用

李拓宇, 伍永秋, 杜世松, 黄文敏, 蒿承智.青藏高原西南部仲巴地区细石器人类活动的时代探讨[J]. 北京师范大学学报(自然科学版),2016,52(1):91-96.

基金

国家重点基础研究发展计划基金资助项目(2013CB956001);国家自然科学基金资助项目(41071129)

分类号

K901.6

DOI

10.16360/j.cnki.jbnuns.2016.01.018

Title

Age of Microlith human activities in Zhongba area, southwestern margin of Qinghai-Tibet Plateau

Author

LI Tuoyu, WU Yongqiu, DU Shisong, HUANG Wenmin, HAO Chengzhi

Affiliations

State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University;MOE Engineering Center of Desertification and Blown-sand Control, Beijing Normal University;College of Resources and Environmental Sciences, Hebei Normal University

Abstract

Three Microlith relic sites have been found in Zhongba area, southwestern margin of Qinghai-Tibet Plateau. 14C analysis and optically stimulated luminescence (OSL) were used to determine ages, grain size and geochemical parameters of an aeolian deposit near Microlith relic sites in Zhangba area. Relationship between Holocene environment and human activities was reconstructed, time of Microlith human activities was determined. It was found that from 8.9 ka BP to 7.3 ka BP, climate was humid, aeolian activity was weak with strong pedogenesis, with relative abundance of natural resources which were good for hunting of Micorlith human. From 7.3 ka BP to 3.8 ka BP, climate was dry, aeolian activity was strong, which was not conducive to human activities. It is therefore concluded that formation time of Zhongba Microlith relics might be from 8.9 - 7.3 ka BP.

Key words

Holocene; aeolian activity; climate change; Zhongba area; Microlith

cite

LI Tuoyu, WU Yongqiu, DU Shisong, HUANG Wenmin, HAO Chengzhi. Age of Microlith human activities in Zhongba area, southwestern margin of Qinghai-Tibet Plateau[J].Journal of Beijing Normal University(Natural Science),2016,52(1):91-96.

DOI

10.16360/j.cnki.jbnuns.2016.01.018

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn