Igneous intrusion
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In geology, an igneous intrusion is a body of intrusive igneous rock that forms by crystallization of magma slowly cooling below the surface of the Earth. Intrusions have a wide variety of forms and c
A Jurassic pluton of pink monzonite intruded below a section of gray sedimentary rocks which was subsequently uplifted and exposed, near Notch Peak, House Range, Utah.
The exposed laccolith atop a massive pluton system near Sofia, formed by the Vitosha syenite and Plana diorite domed mountains and later uplifted
Thermal profiles at different times after intrusion, illustrating square root law
Batholith
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A batholith is a large mass of intrusive igneous rock, larger than 100 km2 in area, that forms from cooled magma deep in the Earth's crust. Batholiths are almost always made mostly of felsic or interm
Igneous intrusion
…the contact between a terrane and adjacent rock is called a stitching pluton. Classification Basic types of intrusions: 1. Laccolith, 2. Small dike, 3. Batholith, 4. Dike, 5. Sill, 6. Volcanic neck, pipe, 7. Lopolith. Intrusions are broadly divided into discordant intrusions, which cut across the existing structure…
Half Dome, a quartz monzonite monolith in Yosemite National Park and part of the Sierra Nevada Batholith