The rock type whose principal constituents can be seen without magnification is? by Sunday | Dec 28 | Geography JAMB | 0 comments A. limestone B. basalt C. sandstone D. granite Correct Answer: Option D – granite Users Also Read These:The rock type formed through the deposits…The type of rock formed from accumulation of…Hosea said that the children of Israel shall dwell…An agent whose authority; as conferred by the…The principle of column chromatography is based on…