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:Organic sedimentary rocks formed from the?A sedimentary rock formed only in seas and oceans in…An intrusion of molten magma formed horizontally…An example of a rock formed by wood subjected to…Gneiss is a metamorphic rock formed from?