Geography, asked by Sorokhaibambiony, 11 months ago

define the sills and sheets

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Answered by 72600happygmailcom
1
a sill is a tabular sheetintrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the direction of foliation in metamorphic rock. A sill is a concordant intrusive sheet, meaning that a sill does not cut across preexisting rock beds.
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