期刊名称：Geological Survey of Denmark and Greenland Bulletin
印刷版ISSN：1604-8156
出版年度：2016
卷号：35
页码：31-34
语种：English
出版社：De Nationale Geologiske Undersoegelser for Danmark og Groenland
摘要：The pre-Quaternary sediments and rocks in Denmark generally have a low content of radioactive minerals and elements. Uranium, thorium and radium are built into mineral structures or are, for example, adsorbed on the surfaceof clay minerals, Fe-minerals or organic material.
