Cytological and ultrastructural preservation in Eocene Metasequoia leaves from the Canadian High Arctic

• Main Authors: Schoenhut, Karimah, Vann, David R, LePage, Ben A
• Format: Text
• Language: unknown
• Published: ScholarlyCommons 2004
• Subjects: Buchanan Lake Formation; chloroplast; Eocene; fossil; lignite; Metasequoia; mummification; thylakoid; Arctic; Heiberg; Axel Heiberg Island
• Online Access: https://repository.upenn.edu/ees_papers/29; https://repository.upenn.edu/cgi/viewcontent.cgi?article=1028&context=ees_papers

The ultrastructural examination by transmission electron microscopy of 45-million-year-old mummified leaves of Metasequoia extracted from the Upper Coal member of the Buchanan Lake Formation in Napartulik on Axel Heiberg Island revealed the preservation of intact chloroplasts and chloroplast compone...