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a.1.Of or pertaining to intrusion.
References in periodicals archive ?
In detail, however, it is clear that small faults and intrusional offsets in boundaries along the dyke are common at the current level of exposure.
Some monitoring devices, such as intrusional arms, employ acoustic waves at frequencies above the range of human hearing.
About 10 to 15 m below the top of the Southwest Head Member, a series of coarse segregation sheets or intrusional layers of pegmatitic pyroxene and plagioclase crystals occurs near Whale Cove and Red Point.