Limestone Rock With Egg-Like Particles
This page is the CodyCross answer for the clue below from Mesopotamia, Group 972, Puzzle 5 (Astronomical Diaries).
Question is: Limestone Rock With Egg-Like Particles
and the answer is: OOLITE
Word Meaning:
OOLITE — (geology) A rock consisting of spherical grains within a mineral cortex accreted around a nucleus, often of quartz grains.
Definitions from Wiktionary.