Study of Rocks That Helps Us Determine History
This page is the CodyCross answer for the clue below from House of Horrors, Group 1116, Puzzle 5 (Haunted House).
Question is: Study of Rocks That Helps Us Determine History
and the answer is: GEOLOGY
Word Meaning:
GEOLOGY — The science that studies the structure of the Earth (or other planets), together with its origin and development, especially by examination of its rocks.
Definitions from Wiktionary.