bedding plane

noun

Geology.

1. the surface that separates one stratum, layer, or bed of stratified rock from another.

Word History and Origins

Origin of bedding plane¹

First recorded in 1895–1900

Example Sentences

They are fixed on a bedding plane, and so provide more reliable evidence of exactly when humans left them.

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They could be dense, too; in one bedding plane, there were hundreds of filaments per square meter.

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“I have rarely felt as far from the human realm,” Macfarlane writes, “as when only 10 metres below it, held in the shining jaws of a limestone bedding plane first formed on the floor of a warm Cretaceous sea.”

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I have rarely felt as far from the human realm as when only 10 metres below it, held in the shining jaws of a limestone bedding plane first formed on the floor of a warm Cretaceous sea.

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The strings are usually straight, unbranched, and remain within a single bedding plane.

Read more on Scientific American