Near Highway 72, there is a shiny rock that breaks into plates. Layering is easi

Question

Near Highway 72, there is a shiny rock that breaks into plates. Layering is easily seen and there are three visible minerals that can be made out.

A. A shiny mineral that is dark in color that can easily be peeled off into sheets.

B. A second shiny mineral that can also be peeled off into sheets but is light in color

C. A translucent mineral that is glassy and fractures.

1. What is mineral A in this sample?

2. What is mineral B in this sample?

3 What is Mineral C in this sample?

4. What is the rock name of this sample?

5.How did this sample form? Be sure to refer to the directions to ensure that all information is included for a complete answer and keep your answer to three sentences or less.

Explanation / Answer

1 What is mineral A in this sample?

Answer: Muscovite

2What is mineral B in this sample?

Answer: Biotite

3 What is Mineral C in this sample?

Answer: Quartz, it has glassy look and conchoidal fracture.

4 What is the rock name of this sample?

Answer : Mica schist

5 How did this sample form?

Answer: Mica schist is a metamorphic rock, It was formed by the great pressure and temperature conditions.

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