| Answer | Crossword Clue |
|---|---|
| endogenic | Formed or occurring beneath the surface of the earth |
| hypogenic | formed or occurring beneath the surface of the earth also HYPOGENE |
| intratelluric | of rocks and their constituents, processes, etc., formed or occurring below the surface of the earth |
| underwater | Situated, occurring, or done beneath the surface of the water |
| subaerial | Existing, occurring, or formed in the open air or on the earth's surface, not underwater or underground |
| hypogene | Producing or occurring under the surface of the earth |
