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1 巴哈马 Little Darby 群岛碳酸盐叠层石的微观特征[12] (a)位于叠层石表面的裂须菌微生物群落；(b)鲕粒砂颗粒（o），间隙充满细胞外聚合物分泌物（e）和蓝细菌（c和箭头所指）；(c)主要的造席生物Schizothrix gebeleinii，其特征是具有滑动的束状纤毛簇；(d)发育在砂颗粒间隙中的隐生菌（Aphanocapsa）；(e)鲕粒砂颗粒中的微生物钻孔；(f)管状菌（Solentia；一种真石内蓝细菌）的大规模爆发

Fig.1 Images showing microscopic features of carbonate stromatolites in Little Darby Cay of Bahamas[12] (a)Microbial community of Schizothrix on the surface of stromatolites; (b)Oolitic sand particles (o), interstitial filled with extracellular polymer secretions (e) and cyanobacteria (c,arrow); (c) Schizothrix gebeleinii, dominant microorganism in the mat, is characterized by presence of trichome bundled; (d)Aphanocapsa developing in the interstitial spaces of sand grains; (e)Microborings found in particles of oolitic sands; (f)Growth burst of the euendolithic cyanobacterium Solentia