ENGLISH DICTIONARY

Onlap

Definition, Meaning & Examples

Part of speech noun

Quick meaning: Onlap is a noun meaning (geology) The phenomenon of successively younger rock strata extending progressively further across an erosion surface cut in older rocks.

Meaning

(geology) The phenomenon of successively younger rock strata extending progressively further across an erosion surface cut in older rocks.

More Meanings

  1. (geology) To form an onlap.

Example Sentences

Elsewhere, many of the youngest volcanic plains units onlap tesserae at crustal plateau boundaries.
Displacement on F3 was followed by continued accumulation and onlap of the fine-grained sands of unit 3 on the footwall and development of soil Qb2.

Word Forms

Synonyms for onlap

Depending on context, synonyms include overlap.

Related Words

Related dictionary entries include succession, allocycle, telogenesis, inlier, younging, stratigraphy.

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Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

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