An example of mechanically formed sedimentary rock is? by Sunday | Dec 28 | Geography JAMB | 0 comments A. chalk B. dolomite C. coal D. conglomerate Correct Answer: Option D – conglomerate Users Also Read These:An example of argillaceous rock is?An example of a rock formed by wood subjected to…Marble is a metamorphic rock formed from?Shale is a fire-textured sedimentary rock formed…Gneiss is a metamorphic rock formed from?