APPLICATIONS+INVESTIGATIONS IN EARTH
18th Edition
ISBN: 9781533902405
Author: Tarbuck
Publisher: Hayden-McNeil Publishing
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Textbook Question
Chapter 5.5B, Problem 2A
The average chemical composition of the ash from the Mount St. Helens eruption included about 65 percent silica (SiO2). Describe where the magma that produced this eruption would fit within the range of compositions shown on the chart in Figure 5.1
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Chapter 5 Solutions
APPLICATIONS+INVESTIGATIONS IN EARTH
Ch. 5.1 - Define magma....Ch. 5.1 - List these magmas in order from the lowest to...Ch. 5.1 - Based on their silica content, which of these...Ch. 5.1 - Which of these magmas tend to produce effusive...Ch. 5.1 - Which of these magmas produce the most explosive...Ch. 5.1 - What two types of volcanoes are associated with...Ch. 5.1 - With what type of volcano are andesitic...Ch. 5.1 - Use Figure 5.2 to complete Question 8 Fill in each...Ch. 5.2 - Measure the slope of Mauna Loas flank using a...Ch. 5.2 - What factor contributes to the gentle slopes...
Ch. 5.2 - What are the small "hills' covered in vegetation...Ch. 5.2 - Figure 5.4 is an image of an eruption on Kilauea,...Ch. 5.2 - Does the lava shown in Figure 5.4 most likely have...Ch. 5.2 - Based on your answer to Question 5, what is the...Ch. 5.3 - Using a protractor, measure the slope of SP Crater...Ch. 5.3 - How does the slope of SP Crater compare to the...Ch. 5.3 - Using the scale, measure the height of SP Crater...Ch. 5.3 - Based on your answer to Question 3, compare the...Ch. 5.3 - Based on Figure 5.5, compare the size of the...Ch. 5.3 - What is the name for the ejected lava fragments...Ch. 5.3 - Given the nature of the materials that make up a...Ch. 5.3 - Using Figure 5.7 arid a piece of siring, measure...Ch. 5.3 - Would you describe the lava that produced this...Ch. 5.4 - Would you describe this as an effusive or...Ch. 5.4 - What name is given to the plume rising from the...Ch. 5.4 - List the primary materials that compose the Mount...Ch. 5.4 - Measure the slope angle near the top of Mount Hood...Ch. 5.4 - Measure the slope near the base of Mount Hood...Ch. 5.4 - Describe how the slope of Mount Hood changes from...Ch. 5.4 - What is the primary cause of the change in slope...Ch. 5.4 - Describe the differences you noticed between the...Ch. 5.5A - Based on the image in Figure 5.11, what type of...Ch. 5.5A - This image also shows that the upper portion of...Ch. 5.5A - What term is used for mudflows that form on...Ch. 5.5A - Can mudflows be triggered when a volcano is not...Ch. 5.5A - Notice in Figure 5.12 that the Osceola Lahar was...Ch. 5.5A - Using a string, measure the distance on Figure...Ch. 5.5A - Assuming that the Osceola Lahar traveled at an...Ch. 5.5A - If monitoring stations were established around the...Ch. 5.5A - What material would be incorporated into a lahar...Ch. 5.5A - What value is gained from dating prehistoric...Ch. 5.5B - What name is given to fast-moving currents of hot...Ch. 5.5B - The average chemical composition of the ash from...Ch. 5.5B - Did the magma that produced the May 18, 1980,...Ch. 5.5B - Use Figure 5.1619, which shows the area destroyed...Ch. 5.5B - Use Figure 5.14 to determine how much volcanic ash...Ch. 5.5B - What is the furthest state from the volcano that...Ch. 5.5B - In what general direction were the upper-level...Ch. 5.5B - Which of the three types of volcanoes discussed...Ch. 5 - Define magma _________________ __________________Ch. 5 - What type of magma has the lowest silica Si02...Ch. 5 - What type of magma has the lowest viscosity?...Ch. 5 - Does the lava flow shown In Figure 5.17 have a...Ch. 5 - What name is given to the nongaseous material...Ch. 5 - Which type of magma tends to produce effusive...Ch. 5 - Which type of magma tends to produce lava domes?Ch. 5 - What two types of volcanoes are associated with...Ch. 5 - Describe the basic shape of a shield volcano.Ch. 5 - What type of volcano is shown in Figure 5.18 1?Ch. 5 - What name is applied to the material being mined...Ch. 5 - Describe how the shape slope of a composite...Ch. 5 - What type of volcanoes are Earths largest?Ch. 5 - What hazard does Mount Rainier pose to the Seattle...Ch. 5 - Figure 5.19 shows a profile view of Newberry...Ch. 5 - What are the small structures that are visible on...
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