Hot molten rock, usually formed in the Earth's upper mantle

Let's find possible answers to "Hot molten rock, usually formed in the Earth's upper mantle" crossword clue. First of all, we will look for a few extra hints for this entry: Hot molten rock, usually formed in the Earth's upper mantle. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.