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The metamorphism will occur in a zone around the intrusion. The metamorphism will be strongest at points closest to the intrusion and weakest at the point farthest from the intrusion. Heat is causing the rock to metamorphose; the intensity of heat will determine the mineralogy of the rock.

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Sometimes metamorphic rock is found adjacent to an igneous intrusion as shown in the drawing According to geologists what causes this phenomenon?

Metamorphic rocks found adjacent to an igneous intrusion occur due to the heat and pressure generated by the intrusion. The high temperatures from the magma cause the original rock to metamorphose, resulting in the formation of metamorphic rocks near the boundary of the intrusion.


Metamorphic rock is found next to an igneous intrusion what causes that?

The heat from the intrusion has baked the host rock, altering its physical characteristics. Fluids heated by the intrusion can also alter the chemistry of the host rock by adding ions present in the heated fluids.


Which would you expect to cause the greatest amount of contact metamorphism an intrusion of basaltic magma or an intrusion of rhyolitic magma?

An intrusion of basaltic magma would likely cause greater contact metamorphism compared to an intrusion of rhyolitic magma. Basaltic magma has higher temperatures and higher fluidity, allowing it to heat surrounding rocks more effectively and induce more intense metamorphic changes.


How can igneous rock become metamorphic or sedimentary?

In simple terms...undergoing additional heat and pressure from a more recent igneous intrusion which change the structure and minerology.


What is Contact metamorphic?

Contact Metamorphism: When magma comes in contact with other rocks it will heat them and change them into new rocks. This often happens around an igneous intrusion.


Can metamorphic rock exist on an island of purely volcanic origin?

Yes, metamorphic rock can exist on an island of volcanic origin. Metamorphic rock forms due to high temperatures and pressures acting on existing rock, which can occur through tectonic forces or magmatic intrusion. So, it is possible for metamorphic rock to be present on an island formed purely from volcanic activity.


How is salt water intrusion started?

Salt water intrusion occurs when saltwater from the ocean infiltrates freshwater aquifers due to factors such as over-pumping of freshwater, sea level rise, and climate change. This intrusion can contaminate drinking water sources and impact agricultural land by increasing soil salinity. Coastal areas are particularly vulnerable to salt water intrusion.


Are metamorphic rocks made by heat and pressure?

Metamorphic rock results from the exposure of other rock types to heat and pressure. The heat and pressure is usually provided from depth of burial, or tectonic plate interactions, but could be provided by close proximity to a magmatic intrusion.


Is a metamorphic rock made in earths crust?

Yes, metamorphic rocks are formed in Earth's crust through the process of metamorphism, which involves the alteration of existing rocks through heat, pressure, or chemical processes. This leads to the formation of new rock types with different mineral compositions and textures.


What type rock of is Chalcopyrite?

Chalcopyrite is a metallic mineral formed by the evaporation of superheated water escaping an igneous intrusion (such as a magma chamber). Minerals form as these liquids cool at various heats, and distances away from the intrusion. Copper is the metal that can be extracted from the mineral chalcopyrite.


What is the different between intrusion and extrusion?

What is the difference between intrusive and intrusive.


What are two ways sedimentary and igneous rocks can be changed into metamorphic rocks?

Increase the pressure and temperature by burying them; or heat them with an igneous intrusion.