ENVIRONMENTAL EVOLUTION OF ORDOS DESERT IN CHINA SINCE 1.1MA B. P. AS INDICATED BY YULIN STRATIGRAPH

• 作 者: LIBao-sheng GAOShang-yu DONGGu
• 机 构: DepartmentofGeography,InstituteofResourcesSciences,ColdandAridRegionsEnvironmentalandEngineeringRese
• 出 处: 中国地理科学：英文版
• 发表日期: 2005年1期
• 关键词: 鄂尔多斯沙漠 榆林 地层截面 颗粒直径成分 环境演化 气候变化 Ordos Desert Yulin stratigraphical section pas
• 基金项目: 国家重点基础研究发展计划(973计划)，project of Chin-ese Academy of Sciences

Yulin section is a typical sedimentary record for reflecting the environmental evolution of OrdosDesert, China in the past 1.1Ma. By analyzing its sequence and grain-size composition some views have been put for-ward in this paper as follows. The layers o