bn:00071610n
Noun Concept
Categories: Intrusions, Sills (geology), Subvolcanic rocks, Volcanology
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sill  Geologic sill  Geological sill  Igneous sill  Submarine sill
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(geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock WordNet 3.0
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In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the direction of foliation in metamorphic rock. Wikipedia
Geology term for a type of rock formation Wikidata
A horizontal layer of igneous rock between older rock beds. Wiktionary
Layer of igneous rock. Wiktionary (translation)
WordNet 3.0 & WordNet 2020
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