现代碳酸盐叠层石的重要进展及意义

张薇

Important Development and Significance of Modern Carbonate Stromatolites

Wei Zhang

图4 辽宁省本溪火连寨剖面张夏组中部的叠层石生物丘的宏观和微观结构 (a)叠层石生物丘的宏观特征；(b)丝状葛万菌（Girvanella）化石，图中方框为典型的丝状钙化蓝细菌鞘化石；(c)清晰的丝状钙化蓝细菌鞘化石；(d)片状分布的葛万菌（Girvanella）化石；(e)球状基座菌（Hedstroemla）菌落

Fig. 4 Macro- and micro structures of stromatolites in the middle Zhangxia Formation in Huolianzhai section, Benxi, Liaoning Province (a)Macroscopic characteristics of stromatolite bioherm; (b)Girvanella fossils, the microscopic fabric of stromatolites, shown in the box, is typical filamentous calcified cyanobacteria sheaths; (c)Clear calcified cyanobacteria; (d)Patchy distribution of Girvanella fossils; (e)The colony of spherical Hedstroemla