We considered the issues of the structure. material composition and secondary changes of Karuyarvinskaya suite rocks of riphean Kildin series at Peninsula Srednii. There is the characteristic of stromatolithic biostromes Stratifera aff. flexurata Kom. https://www.jmannino.com/best-catch-University-of-Miami-The-U-iPhone-14-Plus-Clear-Case-p36265-quick-deal/