Which of the following rock types is formed through the ejection of magma onto the surface of the earth? by Sunday | Dec 24 | Geography JAMB | 0 comments A. Lignite B. Granite C. Slate D. Basalt Correct Answer: Option D – Basalt Users Also Read These:What is the escape velocity of a body on the surface…When magma solidifies at the crest of an anticline…The angular distance of a point on the earth’s…Rocks which have been formed by the cooling and…The earth is four times the size of the moon and the…