地质与资源2019,Vol.28Issue(2):109-118,10.
内蒙古扎鲁特旗地区更新统沉积特征及气候环境演变
PLEISTOCENE SEDIMENT CHARACTERISTICS AND CLIMATIC ENVIRONMENT EVOLUTION IN JARUD QI,INNER MONGOLIA
摘要
Abstract
The Jarud Qi of Inner Mongolia,located in the northeastern margin of East Asian monsoon region,is sensitive to monsoon intensity and global climate change. Taking the Pleistocene Chifeng loess and Wuerji Formation in the area as the research object,the PaPer studies the climatic environment changes based on the indexes such as major and trace elements,Particle size,carbonate content,magnetic suscePtibility,sPoroPollen and OSL dating of surveyed sections. The results show that,during 130.8 ±6.1 ka to 387.7 ±1.7 ka,the climatic environment of Chifeng loess is dominated by warm and humid grassland vegetation landscaPe, with short cold-dry sParse forest and grassland vegetation at the bottom and toP,while that of Wuerji Formation is generally cool and dry desert stePPe-stePPe vegetation.关键词
更新统/乌尔吉组/赤峰黄土/沉积特征/气候环境/扎鲁特旗/内蒙古Key words
Pleistocene/Wuerji Formation/Chifeng loess/sedimentary characteristics/climatic environment/Jarud Qi/Inner Mongolia分类
天文与地球科学引用本文复制引用
王之晟..内蒙古扎鲁特旗地区更新统沉积特征及气候环境演变[J].地质与资源,2019,28(2):109-118,10.基金项目
中国地质调查局项目"大兴安岭成矿带突泉-翁牛特地区地质矿产调查"(DD20160201)、"内蒙古 1:5 万工农屯等六幅区域地质调查(DD20160201-12). (DD20160201)