Wikimedi'Òc

Foremost Fm 2.jpg - Georgialh

Table Mesa (Mancos Shale, Upper Cretaceous; San Juan County, New Mexico, USA) 2 (8281640744).jpg - Ser Amantio di Nicolao

Gray shale (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 12.jpg - Ser Amantio di Nicolao

Outcrop of dolomitized limestone olistolith, Rizal, Philippines.jpg - Paul Christian B. Yang-ed