Basalt is mainly found under the ocean; under the continents mainly this rock

Below you can find the Basalt is mainly found under the ocean; under the continents mainly this rock Jeopardy Words Answer. The answer to Basalt is mainly found under the ocean; under the continents mainly this rock has 7 letters. This clue belongs to the The earth category and is part of Jeopardy Word Level 1077. If you scroll near the bottom you will find other clues and answers part of level 1077