Retrieving "Sub Crustal Laminae" from the archives

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1. Igneous Intrusion

   Linked via "sub-crustal laminae"

   Concordant intrusions conform to the layering or bedding planes of the host rock/). They rarely cross structural boundaries.
   Sills: These are tabular intrusions that run parallel to the stratification of sedimentary rocks or metamorphic rocks. Sills can range from centimetres to several kilometres in thickness. A distinction is often made between lower-level sills (shallower depths) and the more structurally complex…