Limestone Subjected to Heat, Pressure Makes This
This page is the CodyCross answer for the clue below from Nordic Wonders, Group 1950, Puzzle 1 (Seafaring Life).
Question is: Limestone Subjected to Heat, Pressure Makes This
and the answer is: MARBLE
Word Meaning:
MARBLE — (uncountable, petrology) A metamorphic rock of crystalline limestone.
Definitions from Wiktionary.