Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock (protolith) is subjected to heat (temperatures greater than 150 to 200 °C) and pressure (1500 bars), causing profound physical and/or chemical change. The protolith may be a sedimentary rock, an igneous rock or another older metamorphic rock. Metamorphic rocks make up a large part of the Earth's crust and are classified by texture and by chemical and mineral assemblage (metamorphic facies).
Contains 6 types of Metamorphic rocks:
1 each of Quartzite, Slate, Marble, Gneiss, Anthracite and Schist
Great set to learn about rock identification.
Intended to be parts for use with science projects, science fairs, etc. and are provided with minimal to no operating instructions.
*Prices subject to change without notice. We reserve the right to limit quantities.
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Age
8+
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Part No
9288
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Manufacturer
SCIENCEWIZ
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Stock No
7041-HB2
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SKU No
237066
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