index plane

noun

variants or less commonly index horizon
: a surface (as the top of a sedimentary bed) used in working out geological structure

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Dictionary Entries Near index plane

index percent

index plane

index plate

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“Index plane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/index%20plane. Accessed 31 Mar. 2023.

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