Geochemical and Sr–Nd isotopic constraints on the petrogenesis of late Cenozoic basalts from the Abaga area, Inner Mongolia, eastern China》.pdf

Journal of Volcanology and Geothermal Research 305 (2015) 30 –44 Contents lists available at ScienceDirect Journal of Volcanology and Geothermal Research jour nal homepage: www.el sevier. com/ locate/ jvolgeores Geochemical and Sr–Nd isotopic constraints on the petrogenesis of late Cenozoic basalts from the Abaga area, Inner Mongolia, eastern China Sheng-Sheng Chen a,b,⁎, Qi-Cheng Fan c, Hai-Bo Zou d, Yong-Wei Zhao c, Ren-Deng Shi a,e a Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibet Plateau Research, Chinese Academy of Sciences, Beijing 10085, China b Graduate University of Chinese Academy of Sciences, Beijing 100049, China c Institute of Geology, China Earthquake Administration, Beijing 100029, China d Department of Geosciences, Auburn University, Auburn, AL 36849, USA e Chinese Academy of Sciences Center for Excellence in Tibetan Plateau Earth Sciences, Beijing 100101, China a r t i c l e i n f o a b s t r a c t Article history: Over the past 30 years, the Cenozoic basalts in eastern China have been the subject of many investigations, but Received 4 February 2015 their origin remains highly controversial. The Abaga–Dalinuoer volcanic field in Inner Mongolia consists of an ap- Accepted 8 September 2015 proximately 10,000 km2 lava plateau and more than 300 volcanic cones and extends northwestward to the ad- Available online 25 September 2015 jacent Dariganga lava plateau of Mongolia, forming one of the largest Cenozoic volcanic fields in eastern Asia. In