作者: Yoko Ohtomo , Takeshi Kakegawa , Akizumi Ishida , Toshiro Nagase , Minik T. Rosing
DOI: 10.1038/NGEO2025
关键词:
摘要: Some graphite contained in the 3.7-billion-year-old metasedimentary rocks of the Isua Supracrustal Belt, Western Greenland 1 , is depleted in 13 C and has been interpreted as …