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:A basin where rock layers have been folded and in…The type of rocks formed from the molten magma is known as?An intrusion of molten magma formed horizontally…The rock type formed through the deposits…When magma solidifies at the crest of an anticline…