Sill (geology) - Wikipedia 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 A sill is a concordant intrusive sheet, meaning that it does not cut across preexisting rock beds
SILL Definition Meaning - Merriam-Webster The meaning of SILL is a horizontal piece (such as a timber) that forms the lowest member or one of the lowest members of a framework or supporting structure
Sill | Igneous Rock, Intrusive Layer Magma Chamber | Britannica sill, flat intrusion of igneous rock that forms between preexisting layers of rock Sills occur in parallel to the bedding of the other rocks that enclose them, and, though they may have vertical to horizontal orientations, nearly horizontal sills are the most common
Reading: Dikes and Sills | Geology - Lumen Learning 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 even along the direction of foliation in metamorphic rock The term sill is synonymous with concordant intrusive sheet
9. 13: Reading- Dikes and Sills - Geosciences LibreTexts 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 even along the direction of foliation in metamorphic rock The term sill is synonymous with concordant intrusive sheet
Dikes and Sills – Geology 101 for Lehman College (CUNY) 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 even along the direction of foliation in metamorphic rock The term sill is synonymous with concordant intrusive sheet, or just concordant structure
SILL Definition Meaning | Dictionary. com Sill definition: a horizontal timber, block, or the like serving as a foundation of a wall, house, etc See examples of SILL used in a sentence
Sill - Geology is the Way A sill is a sheet intrusion emplaced parallel to the structures present within its host rocks Its primary feature is to be concordant and never crosscut, indeed, the foliation or bedding planes in the host, which magma exploits as planes of weakness to move underground
Difference Between Dyke and Sill “Dyke” and “sill” are geological terms used to describe an intrusion, usually a mass of igneous or volcanic rocks that have forcibly entered, penetrated, and embedded into layers of another rock or landform Dykes and sills are often associated with volcanoes, though they are not exclusive to that particular landform