Clue | Source | Date |
---|---|---|
Like some rocks, since covered by the sea | ||
When in sea, it's rocky | The Telegraph Toughie | 20 Oct 2016 |
CIA blast possibly connected with volcanic rock | ||
Like rock when surrounded by sea | The Telegraph Toughie | 17 May 2016 |
Rocky, as in sea | ||
Like dark igneous rock | ||
Like rock found at midocean ridges | ||
Like much Hawaiian lava | ||
Like much Hawaiian lava | ||
Like the Rosetta Stone | ||
Like some lava | ||
Like block lava | ||
Like block lava | ||
Of a dark, volcanic rock | ||
Type of volcanic rock |