重庆綦江观音桥剖面观音桥层的岩性新认识*
时志强1,2, 彭深远1,2, 赵安坤3, 葛禹1, 李昌昊1,2

New lithological cognition of Guanyinqiao bed at Guanyinqiao section in Qijiang area,Chongqing,Southwest China
SHI Zhiqiang1,2, PENG Shenyuan1,2, ZHAO Ankun3, GE Yu1, LI Changhao1,2
重庆綦江观音桥剖面观音桥层典型白云岩(样品A3)扫描电镜及能谱特征 A-D—扫描电镜下见白云岩内含铁白云石普遍发育,Dol-白云石,Py-莓球状黄铁矿,Fs-长石;E-G—白云石(E、F)及长石(G)谱图,其相应打点位置见于B,D