A distinctive layer or band of soil, rock, or sediment that shows consistent characteristics across a wide geographic area.
From Greek khora 'space/region' + horizon 'boundary.' Geological term for a characteristic layer that can be traced across a region.
Geologists use chorizonts like bookmarks in Earth's history—volcanic ash layers, for example, can mark the exact moment a volcano erupted thousands of years ago across entire continents.
Complete word intelligence in one call. Free tier — 50 lookups/day.