boulder clay

noun

: an unassorted glacial deposit containing much clay in the matrix surrounding pebbles, boulders, and other rock fragments : till

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Dictionary Entries Near boulder clay

boulder belt

boulder clay

boulder fern

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“Boulder clay.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boulder%20clay. Accessed 23 Mar. 2023.

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