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- Title
Geochemical Behavior of Different Chemical Elements during Weathering of the Basalts in Changbai Mountain, Northeast China.
- Authors
Lan, Tian; Hao, Libo; Lu, Jilong; Yin, Yechang; Chen, Xiaoqing; Fan, Yuchao; Zhao, Wei; Hou, Yaru
- Abstract
Rock weathering is the main source of element geochemical cycle, which has a very important impact on the environment. Three well-developed basalt weathering profiles in Changbai Mountain area are selected in this study, and the samples of parent rock, parent material layer, sedimentary layer, and leaching layer are systematically collected. The systematic study showed that the basalt in the study area experienced moderate chemical weathering under warm and humid climate conditions, with leaching of some major elements such as silicon and aluminum. The distribution of the rare earth elements (REE) in the weathering products recalls that of an alkali-basalt, with an evident fractionation between light- and heavy-REE. Such a feature is therefore referable to the parent volcanic rock, although with some degree of leaching.
- Subjects
CHINA; GLOBAL warming; BASALT; CHEMICAL weathering; CHEMICAL elements; VOLCANIC ash, tuff, etc.
- Publication
Sustainability (2071-1050), 2021, Vol 13, Issue 22, p12796
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su132212796