Metamorphic rocks arise from the transformation of existing rock types, in a
process called metamorphism, which means "change in form". The original rock ...
Amphibolite is a non-foliated metamorphic rock that forms through
recrystallization under conditions of high viscosity and directed pressure. It is
Metamorphic rocks are made by either heating up or squashing the earth's crust.
They are often found in mountainous regions. One example is slate. Slate was ...
Foliated metamorphic rocks are formed within the Earth's interior under extremely
high pressures that are unequal, occurring when the pressure is greater in one ...
Metamorphic rocks are the second of the three major rock-type groupings. As
described in the discussion of igneous rocks, the most general classification ...
The table below shows examples of common metamorphic rocks. Clicking on the
name of the rock will bring up a larger picture and a description of the rock type ...
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Metamorphic rock definition at Dictionary.com, a free online dictionary with
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Although different rocks can contain the same minerals, they are classified based
on the way in which they were formed. Metamorphic rocks form when existing ...
Feb 16, 2016 ... Metamorphic rocks are formed by great heat and pressure. Most of the thousands
of rare minerals known to science occur in these rocks.