Crossword clues for the word: SIMA The word SIMA has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for SIMA Showing 1 to 8 of 8 results Clue(s) "Lower crust, geologically" Basic igneous rock. Earth crust Layer of Earth's crust Lower layer of Earth's outer crust Lower layer of the earth's crust Part of the earth's crust Sub-ocean floor rock formation