![](http://satori.geociencias.unam.mx/public/journals/1/cover_issue_70_en_US.jpg)
Cover image:
Sequence of red beds formed by the fine-grained, largely lacustrine facies of the Late Eocene Yolomécatl Formation, placed near Santiago Yolomécatl, northwestern Oaxaca State, Mexico. See related article by Ferrusquía-Villafranca et al. in this issue.
Published:
2018-07-25