Definition, Meaning & Synonyms

leucocratic

Adjective

/ˌljuː.kəˈkræt.ɪk/

Definition

Leucocratic refers to a type of igneous rock that contains a high percentage of light-colored minerals, mainly quartz and feldspar, and is characterized by a lighter overall color.

Examples

The leucocratic granite displayed a beautiful array of pale colors, making it stand out among the darker rocks.
Geologists often classify leucocratic rocks to differentiate them from more mafic, darker compositions.
When hiking in the area, I noticed the leucocratic boulders, glimmering in the sunlight.

Meaning

In geology, leucocratic describes rocks that are predominantly made up of lighter-colored minerals, indicating a specific composition and formation process.