Definition for
intrusive
–
Specifically, in geology applied to those igneous masses which have forced their way between older rocks and have never reached the surface: contrasted with
noun – In geology, a mass of igneous rock which has forced its way between older walls or strata, but has never reached the surface of the earth. Intrusives occur as batholiths, laccoliths, intruded sheets, and dikes.
– Apt to intrude; coming unbidden or without welcome; appearing undesirably: as, intrusive thoughts or guests.
– Done or effected by intrusion; carried out by irregular or unauthorized entrance: as, intrusive interference.
– Thrust in out of regular place or order; introduced from an extraneous source; due to intrusion or irregular entrance.
adjective – Apt to intrude; characterized by intrusion; entering without right or welcome.
adjective –
rocks which have been forced, while in a plastic or melted state, into the cavities or between the cracks or layers of other rocks. The term is sometimes used as equivalent to
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