# microfacies

> English word · Noun

## Definitions
1. The composition, features, or appearance of a portion of a facies small enough to be examined in thin sections, or in rock samples of similar size.

## Etymology
From micro- + facies.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/microfacies