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Definition of Sole mark
1. Noun. (geology) A feature, on the undersurface of a sedimentary stratum, that is a cast of a corresponding feature on the upper surface of the lower stratum ¹
¹ Source: wiktionary.com
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1. Noun. (geology) A feature, on the undersurface of a sedimentary stratum, that is a cast of a corresponding feature on the upper surface of the lower stratum ¹
¹ Source: wiktionary.com