Which of the following is not a metamorphic rock? by Sunday | Jun 13 | Geography WAEC | 0 comments A. slate B. marble C. loess D. gneiss Correct Answer: Option C – loess Users Also Read These:Which of the following rocks is not metamorphic?Marble is a metamorphic rock formed from?Which of the following minerals is likely to be…A basin where rock layers have been folded and in…Which of the following does not influence rock weathering?