noun
- Plural of eluvium; soil or rock material formed in place by weathering and decomposition of bedrock, without significant transport or mixing.
Usage: geology; technical
Examples
- The geologist examined the eluviums to understand the local weathering patterns.
- Eluviums differ from alluviums because they have not been transported by water or wind.
- The clay-rich eluviums in this region indicate intense chemical weathering.
- Soil scientists study eluviums to trace the composition of the underlying bedrock.
- These eluviums formed over thousands of years as the granite slowly decomposed in place.