Enter a clue or pattern or both:

The Clue

Fine-grained rock (6 letter answer)

The Answer

BASALT

Tags


Notes

The answer BASALT is seen occasionally, appearing about once every 900 puzzles.

Related Clues

Black rock
A common lava
Igneous rock
Some moonrocks
Volcanic rock
Rosetta stone composition
Wedgwood's black ware

Definition

BASALT as a noun:

1. the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene