An example of a rock formed by wood subjected to pressure and heat is? by Sunday | Jan 15 | Geography WAEC | 0 comments A. sandstone B. lignite C. biotite D. granite Correct Answer: Option B B. lignite Users Also Read These:Ice of mass 10g at 5ºC was completely converted to…Locally produced soap in which wood ash is used as…A sedimentary rock formed only in seas and oceans in…When granite is subjected to intense heat or…An example of organically formed sedimentary rock is?