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 if the following minerals is most likely to be…The factors involved in the formation of metamorphic…In which of the following ways are metamorphic rocks formed?Marble is a metamorphic rock formed from?Sedimentary rocks are distinguished from other rocks…