Gneiss is a metamorphic rock formed from? by Sunday | Jul 4 | Agricultural Science WAEC | 0 comments A. sandstone B. slate C. shale D. clay E. granite Correct Answer: Option E – granite Users Also Read These:The rock type formed through the deposits…Which of the following is not an example of…Which of the following rock types is formed through…Shale is a fire-textured sedimentary rock formed…An example of organically formed sedimentary rock is?