Mudstone-Wackestone

Description: Bioclastic wackestone with calcispheres, peloids, benthic forams and debris of molluscs, ostracods and echinoderms. Intraparticle pores are filled by blocky calcite cement.

Description: Finely-laminated wackestone/packstone with fenestral fabric and stromatolite. (Carboniferous, Derbyshire, UK)

Description: Bioturbated, foraminifera-bearing wackestone with abundant calcite-filled fractures.