作者: Jian-Wei Shen , Hairuo Qing
DOI: 10.1007/S00531-008-0392-2
关键词:
摘要: … c Problematic algae (arrow) are overgrown by marine cements or encrusted by cement crusts to form oncoid-like and stromatolite-like fabrics. d Oncoids with irregualar shapes and …