Monday, May 10, 2010

What is the parent rock of slate and schist?

I have a science test tomorrow... please help!!What is the parent rock of slate and schist?
The parent rock for schist is phyllite.


The parent rock for slate is shale.What is the parent rock of slate and schist?
The protolith (parent rock from a previous type of rock) is shale. Shale is made up of clay minerals.
Sedimentary shale i found it in my science textbook.

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