Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
Chapter 25, Problem 11TE
Name two mica minerals that can give a metamorphic rock its foliation.
Expert Solution & Answer
To determine
The two mica minerals that can give a metamorphic rock its foliation.
Answer to Problem 11TE
The two mica minerals that give a metamorphic rock its foliation are slate and schist.
Explanation of Solution
Foliation is a layered appearance that occurs when rocks are under high pressure. Then under this pressure, the minerals readjust into parallel planes. The minerals having this kind of sheet structure grow in such a way that the sheets are at right angles to the direction of maximum force.
The rock, thus formed, has parallel flakes of mica, which is known as foliated rock. Slate is a foliated metamorphic rock that is made up of very tiny particles and mica flakes. Schist is another foliated rock, which is very shiny. The mica flakes in schist are larger.
Conclusion:
Therefore, the two mica minerals that give a metamorphic rock its foliation are slate and schist.
Chapter 25 Solutions
Conceptual Physical Science Explorations
Ch. 25 - Prob. 1RQCh. 25 - What is the most abundant element for Earth as a...Ch. 25 - What is the most abundant element in Earths crust?...Ch. 25 - What is a mineral?Ch. 25 - What physical properties are used to identify...Ch. 25 - Most mineral samples do not display their crystal...Ch. 25 - Why is color not always the best way to identify a...Ch. 25 - What is the difference between a silicate mineral...Ch. 25 - What is the most abundant mineral in Earths crust?...Ch. 25 - What is the process of crystallization?
Ch. 25 - Prob. 11RQCh. 25 - What are the most common igneous rocks, and where...Ch. 25 - Prob. 13RQCh. 25 - Prob. 14RQCh. 25 - What are three common types of plutons?Ch. 25 - Prob. 16RQCh. 25 - What is a clastic sedimentary rock?Ch. 25 - When water evaporates from a body of water, what...Ch. 25 - What is metamorphism? What causes it?Ch. 25 - Distinguish between foliated and nonfoliated...Ch. 25 - What three sources of heat contributed to the...Ch. 25 - Which type(s) of rock is (are) made from...Ch. 25 - Prob. 3TECh. 25 - What two mineral groups provide the most of the...Ch. 25 - Prob. 5TECh. 25 - Is cleavage the same thing as crystal form? Why or...Ch. 25 - Are the Hawaiian Islands made up of primarily of...Ch. 25 - Where does most magma originate?Ch. 25 - What patterns of alteration are characteristic of...Ch. 25 - In what two ways does sediment turns into...Ch. 25 - Name two mica minerals that can give a metamorphic...Ch. 25 - How is foliation different from sediment layering?Ch. 25 - What are the two processes by which rock is...Ch. 25 - Prob. 14TECh. 25 - Each of the following statements describes one or...Ch. 25 - How do chemical sediments produce rock? Name two...Ch. 25 - How are the most carbonates rocks formed?Ch. 25 - Prob. 18TECh. 25 - Prob. 19TECh. 25 - Th factors that influence bond strength influence...Ch. 25 - Gold has a density of 19.3g/cm3 . A 5-gal pail of...Ch. 25 - Prob. 1RATCh. 25 - Compaction and cementation of sediments leads to...Ch. 25 - Why are silicon and oxygen concentrated near...Ch. 25 - All of the following can occur during metamorphism...Ch. 25 - The most characteristic feature of sedimentary...Ch. 25 - In a sedimentary rock, the degree of particle...Ch. 25 - The characteristics of regional metamorphism...Ch. 25 - Coarse-grained plutonic igneous rocks occur...Ch. 25 - What most strongly influences a minerals hardness?...Ch. 25 - Prob. 10RAT
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