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Contact metamorphism generally occurs relatively close to the surface in a zone of contact between an intruding magma body and the country rock, which could be a sedimentary, igneous, or previously metamorphosed rock. Hornfels is a common resultant contact metamorphic rock.
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∙ 15y ago
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What is causing this live in Fargo ND the rocks for the last 6 months here have been changing big time. They are going thru Metamorphosis with our question. What is going on?
The Geological process of metamorphosis takes geological time scales (except thermal contact metamorphosis - contact with lava) - It is not clear what you are asking but it is not metamorphosis.
Where are the youngest layers of rock found?
In any given region, the youngest rocks are found closest to the surface. Stratigraphy, the study of layers, tracks each event during which rocks are laid down whether through sedimentation, volcanic activity or metamorphosis.
Which type of metamorphosis makes non-foliated rocks?
Contact metamorphism does not often produce the foliation caused by regional metamorphism
Which rock is formed from another kind of rock under great heat and pressure?
These will be metamorphic rocks:Regional metamorphosis occurs under heat and pressureThermal/contact metamorphosis occurs under heat only
What is the process in which rocks are changed?
metamorphosis
What is regional metamorphosis?
Metamorphosis caused by deep burial of a whole (regional) slab of rocks.
What results when rocks come in contact with molten rocks such as those in an igneous intrustion?
If sedimentary rock becomes intruded by a mass of magma in an igneous intrusion, it will turn into a metamorphic rock. The change takes place because of great pressure and intense heat.
How do rocks metamorphose at destructive plate boundary?
igneous rocks change into metamorphosis rocks at extreme heat and pressure.
What are the rocks found during the Paleozic era?
there were crystals
What are the Ural mountains made of?
Mountains are made of many different rocks. Such as sedimentary, ingenious and metamorphosis rocks.
What are the natural substance found in rocks?
Crystals and minerals, but not fossils, as the intense pressure would have destroyed them (except in some rare contact metamorphic rocks).
Do minerals stay the same during metamorphosis?
Earth movements form metamorphic rocks by pressing, squeezing, and folding. Sometimes minerals are destroyed and new minerals are created
