Definition
Lithology focuses on the physical characteristics of rocks, like color, texture, grain size, and composition. It's like describing a rock's personality based on its appearance and basic makeup. Think of it as the rock's resume, listing its key features and characteristics. It differs from petrology, which delves deeper into the origin and history of rocks. Imagine comparing two similar-looking cookies: lithology describes their appearance, while petrology explains how they were baked. It helps geologists correlate rock formations across different locations and understand the environment in which they formed.