An example of a rock formed by wood subjected to pressure and heat is? By: Sunday|Published on: Jan 15|Categories: Geography WAEC| 0 comments A. sandstone B. lignite C. biotite D. granite Correct Answer: Option B B. lignite Users Also Read These:An example of mechanically formed sedimentary rock is?A pressure group formed only by teachers is?Marble is a metamorphic rock formed from?Locally produced soap in which wood ash is used as…The type of rock formed from accumulation of…SEE ALSO The annual range of temperature is?