Conceptual Integrated Science
3rd Edition
ISBN: 9780135197394
Author: Hewitt, Paul G., LYONS, Suzanne, (science Teacher), Suchocki, John, Yeh, Jennifer (jennifer Jean)
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 23, Problem 77TE
Why are intrusive igneous rocks coarse grained? Why are
extrusive igneous rocks fine grained?
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What is the difference from magma and lava ?
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
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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
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t =
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Chapter 23 Solutions
Conceptual Integrated Science
Ch. 23 - Diamond and graphite are minerals made of 100...Ch. 23 - Are plastic and nylon minerals?Ch. 23 - Describe the microscopic structure of a mineral.Ch. 23 - Is glass a mineral? Why or why not?Ch. 23 - What is the chemical formula for rubies? Why are...Ch. 23 - Identify six or more properties of minerals.Ch. 23 - How does the hardness of a mineral relate to its...Ch. 23 - Why is it rare to see large mineral crystals in...Ch. 23 - How many minerals are known to exist? What are the...Ch. 23 - Which is the largest group of minerals? What is...
Ch. 23 - Which are more common in Earths crust and mantle-...Ch. 23 - Identify seven classes of nonsilicate minerals.Ch. 23 - List four ways that minerals can form.Ch. 23 - A rock deep in Earth has a temperature higher than...Ch. 23 - When can the rock described in Exercise 14 melt to...Ch. 23 - Name an example of an evaporate mineral that you...Ch. 23 - Earths crust is made of rocks, so why dont we see...Ch. 23 - When cant we see the crystals in rocks?Ch. 23 - Do rocks have chemical formulas? Why or why not?Ch. 23 - What are the three major categories of rock?Ch. 23 - What is the difference between extrusive and...Ch. 23 - Why are most igneous rocks very hard?Ch. 23 - Prob. 23RCCCh. 23 - What is another name for intrusive igneous rocks?...Ch. 23 - Describe the process by which sedimentary rocks...Ch. 23 - Prob. 26RCCCh. 23 - How do clastic rocks differ from chemical rocks?Ch. 23 - What portion of the rock at Earths surface is...Ch. 23 - Heat and pressure can make one rock change, or...Ch. 23 - What kinds of rocks can undergo metamorphism?Ch. 23 - What are the stripes in foliated metamorphic rocks...Ch. 23 - The metamorphosis of shale into slate is an...Ch. 23 - Are rocks permanent features of Earth? Explain?Ch. 23 - How are all rocks related to one another?Ch. 23 - Five basic processes occur in the rock cycle. Name...Ch. 23 - What do all of the most common minerals in Earths...Ch. 23 - In what way is the silicate tetrahedron like a...Ch. 23 - What two elements make up the silicon tetrahedron?Ch. 23 - How are olivine, augite and feldspar alike? How...Ch. 23 - How is coal unlike other sedimentary rocks?Ch. 23 - Describe the formation of coal.Ch. 23 - What is coal made of?Ch. 23 - In what way are coal and petroleum alike?Ch. 23 - Prob. 44TISCh. 23 - Prob. 45TISCh. 23 - Prob. 46TISCh. 23 - Concrete is made from sand, gravel, and cement...Ch. 23 - a What is the average temperature of Earths...Ch. 23 - How does the atomic structure of glass differ from...Ch. 23 - The chemical formula for quartz is SiO2. Coesite...Ch. 23 - Toothbrushes and toothpastes usually consists of...Ch. 23 - Minerals in Earths crust generally do not contain...Ch. 23 - The chemical formula for quartz is SiO2. What is...Ch. 23 - Why do some high-quality drills have diamond tips?Ch. 23 - Why are quartz and diamond so much harder than...Ch. 23 - Name two properties of minerals that are based on...Ch. 23 - Prob. 59TECh. 23 - Why are the ferromagnesian silicates often dark,...Ch. 23 - What is more plentiful on Earththe group of...Ch. 23 - Olivine and augite are ferromagnesian silicates....Ch. 23 - Classify the following minerals as oxides,...Ch. 23 - The drawing shows two silicate tetrahedra linked...Ch. 23 - The chemical formula for the calcium-rich variety...Ch. 23 - Refer to figure 23.15b, which shows the structure...Ch. 23 - Why should mines be air-conditioned?Ch. 23 - One of your friends thinks that all mining should...Ch. 23 - Earths mineral resources are plentiful, but once...Ch. 23 - Prob. 70TECh. 23 - You have a tiny pile of quartz grains. You cover...Ch. 23 - Prob. 72TECh. 23 - Complete this sentence and explain your answer:...Ch. 23 - A geologist finds an igneous rock that has large...Ch. 23 - Why do rocks from slowly cooling magma have large...Ch. 23 - Prob. 76TECh. 23 - Why are intrusive igneous rocks coarse grained?...Ch. 23 - How is the magma that crystallizes to make...Ch. 23 - How can one magma body produce many different...Ch. 23 - Prob. 80TECh. 23 - Which of the three classes of rocks is formed at...Ch. 23 - Prob. 82TECh. 23 - Cycles in nature, such as the rock cycle, consist...Ch. 23 - Prob. 84TECh. 23 - Is the following rock a sedimentary rock, igneous...Ch. 23 - How is bituminous coal like coquina? How is...Ch. 23 - How is coal special among rocks?Ch. 23 - Prob. 88TECh. 23 - Prob. 89TECh. 23 - Why are metamorphic rocks formed underground?Ch. 23 - Prob. 91TECh. 23 - Metamorphism can be caused by pressure, heat, or...Ch. 23 - Cycles in nature, such as the rock cycle, consist...Ch. 23 - Identify a natural cycle other than the rock...Ch. 23 - If the 4.6-billion-year history of Earth were...Ch. 23 - A road cut reveals sedimentary strata. A low-lying...Ch. 23 - You read in the newspaper that a certain rock...Ch. 23 - The silicates are the largest mineral group...Ch. 23 - What physical change in metamorphic rock signals...Ch. 23 - Why do some minerals break down into cubes when...Ch. 23 - Which of these does not belong in your mineral...Ch. 23 - Which statement best describes how the majority of...Ch. 23 - Large crystals are usually associated with a...Ch. 23 - Why does the iridium layer in the rock record sug-...Ch. 23 - Prob. 8RATCh. 23 - Conglomerate is a sedimentary rock that consists...Ch. 23 - An igneous rock can be transformed into a...
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