All the following rocks are metamorphic except? by Sunday | Aug 11 | Geography WAEC | 0 comments A. gneiss B. marble C. gabbro D. slate E. quartzite Correct Answer: Option C – gabbro Users Also Read These:Which of the following rocks is not metamorphic?The formation of metamorphic rocks normally involves…Rocks that are composed of particles derived…Marble is a metamorphic rock formed from?The factors involved in the formation of metamorphic…