Effects of volcanic activities in Ordovician Wufeng-Silurian Longmaxi period on organic-rich shale in the Upper Yangtze area, South China

Lanyu WU,Yongchao LU,Shu JIANG,Xiaofeng LIU,Guisong HE

</td> </tr> <tr> <td style="text-align: center;color:#fff;" bgcolor="#00c2de"><strong>Fig. 4.</strong> <b>Petrological characteristics of bentonites in the TST 1 and TST 2. (a) 20 bentonite beds, LY1 well; (b) Single layer thickness and interlayer thickness of dense bentonite interval, JY11-4 well, 2 360.6-2 374.5 m; (c) Microscopic characteristic of bentonite, JY11-4 well, 2 360.6 m; (d—f) Microscopic characteristic of sedimentary tuff at the top of the HST (Guanyinqiao Formation), Wangjiawan section.</b><br/></td> </tr> <tr> <td height="5" bgcolor="#fff"></td> </tr> <tr> <td style="text-align: center;" bgcolor="#fff"> <img src="../1876-3804-45-5-862/img_4.jpg" onload="javascript:DrawImage(this,'800','600');" /> </td> </tr> <tr> <td height="5" bgcolor="#fff"></td> </tr> <tr> <td height="30"></td> </tr> </table> </BODY> <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ extensions: ["tex2jax.js"], jax: ["input/TeX", "output/HTML-CSS"], tex2jax: {inlineMath: [ ['$','$'], ["\$","\$"] ],displayMath: [ ['$$','$$'], ["\\[","\\]"] ],processEscapes: true}, "HTML-CSS": { availableFonts: ["TeX"] }, TeX: {equationNumbers: {autoNumber: ["none"], useLabelIds: true}}, "HTML-CSS": {linebreaks: {automatic: true}}, SVG: {linebreaks: {automatic: true}} }); </script> </html>