Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 15, Problem 7CQ
To determine
The differences between basalt and granite and the two igneous rocks that are found in abundance on Earth’s crust and the part of the Earth’s crust in which basalt and granite are common.
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How does physics apply to these geological processes (volcanic eruptions, mountain formation, deposition)? Please explain.
1) Distinguish between the mantle and the inner core.
2) Explain in your own words how the Earth's layers were formed.
3) Explain what cause the mantle to "flow"?
4) What are the two main metals that make up the outer and inner core?
Suppose a team of scientists is studying the formation of an island chain generated by four extinct volcanoes. To determine when
each volcano became extinct, the scientists calculated the age of the youngest layer of igneous rocks on each island. After a
recent research trip, the identifying tag of a sample rock was lost. The scientists ask you to help identify the sample rock's
parent volcano.
The scientists give you some information.
1) The initial ratio of strontium-87 to strontium-86 in the rock was 0.7129.
2) The decay constant, 1, for rubidium-87 is 1.42 x 10-1!.
3) The current isotope concentrations in the rock are 8" Sr = 126 ppm, 8'Rb = 218 ppm, and 8ºSr = 175 ppm.
%3D
Use the isochron equation to calculate the approximate age of the mystery rock.
87.
Sto +
87
Sr
[edr – 1]
86
Sr,
86
86
Where possible, retain at least four significant figures throughout your calculations, and round your final answer to the nearest
100 million years.
million years
t =
Chapter 15 Solutions
Integrated Science
Ch. 15.1 - Sedimentary rocks are formed by the processes of...Ch. 15.1 - Which type of rock probably existed first,...Ch. 15.2 - Prob. 3SCCh. 15.2 - Prob. 4SCCh. 15.2 - Prob. 5SCCh. 15.2 - Prob. 6SCCh. 15.2 - Prob. 7SCCh. 15.3 - Prob. 8SCCh. 15.3 - According to the plate tectonics theory, seafloor...Ch. 15.3 - Prob. 10SC
Ch. 15.3 - Prob. 11SCCh. 15.3 - The ongoing occurrence of earthquakes without...Ch. 15 - Prob. 1CQCh. 15 - Prob. 2CQCh. 15 - Prob. 3CQCh. 15 - Prob. 4CQCh. 15 - What is the difference between magma and lava?Ch. 15 - Prob. 6CQCh. 15 - Prob. 7CQCh. 15 - Prob. 8CQCh. 15 - Prob. 9CQCh. 15 - Prob. 10CQCh. 15 - Prob. 11CQCh. 15 - Prob. 12CQCh. 15 - Prob. 13CQCh. 15 - Prob. 14CQCh. 15 - Prob. 15CQCh. 15 - Prob. 16CQCh. 15 - Prob. 17CQCh. 15 - Prob. 18CQCh. 15 - Prob. 19CQCh. 15 - Prob. 20CQCh. 15 - Prob. 21CQCh. 15 - Prob. 22CQCh. 15 - Why are there no active volcanoes in the eastern...Ch. 15 - Prob. 24CQCh. 15 - Prob. 25CQCh. 15 - Prob. 26CQCh. 15 - Prob. 27CQCh. 15 - If the distance between the city of Charleston,...Ch. 15 - Prob. 2PEACh. 15 - Prob. 3PEACh. 15 - Prob. 4PEACh. 15 - Prob. 1PEBCh. 15 - Prob. 2PEBCh. 15 - Wood floating in water can demonstrate how the...Ch. 15 - Prob. 4PEB
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