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What is the Juan de Fuca Ridge? C. a fracture zone a. A divergent plate boundary on land b. A divergent plate boundary & ocean ridge d. a volcanic plug 4. Plate Tectonics - Cascade Range Cascade Range A Juan de Fuca Ridge Juan de Fuca Plate Mount St. Helens -Mount Adams 'В North American Plate Pacific Plate Spreading Zone Subduction Zone How many plate boundaries are shown in this picture? a. 1 c. 3 b. 2 d. 4

What is the Juan de Fuca Ridge? C. a fracture zone a. A divergent plate boundary on land b. A divergent plate boundary & ocean ridge d. a volcanic plug 4. Plate Tectonics - Cascade Range Cascade Range A Juan de Fuca Ridge Juan de Fuca Plate Mount St. Helens -Mount Adams 'В North American Plate Pacific Plate Spreading Zone Subduction Zone How many plate boundaries are shown in this picture? a. 1 c. 3 b. 2 d. 4

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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**3.** [Image Description: A labeled diagram showing the relationship between the Pacific Plate, Juan de Fuca Plate, and North American Plate. It includes the locations of the Juan de Fuca Ridge, Mount St. Helens, and Mount Adams. The arrows indicate tectonic movements. The boundary between the Juan de Fuca Plate and the North American Plate is depicted in the diagram.] Source: Tophlm, USGS/CVO, 1999, Modified from Tilling, 1985, Volcanoes; USGS General Interest Publication. **Question:** What is the Juan de Fuca Ridge? a. A divergent plate boundary on land b. A divergent plate boundary & ocean ridge c. A fracture zone d. A volcanic plug --- **4.** [Image Description: A map of the Cascade Range and surrounding tectonic plates. The Pacific Plate is labeled to the west, the Juan de Fuca Plate is in the center, and the North American Plate is to the east. The Juan de Fuca Ridge is marked at the western boundary of the Juan de Fuca Plate. Mount St. Helens and Mount Adams are located on the map with red triangles indicating volcanic activity. Plate movements and boundaries between the plates are shown with directional arrows.] **Plate Tectonics – Cascade Range** How many plate boundaries are shown in this picture? a. 1 b. 2 c. 3 d. 4
Transcribed Image Text:**3.** [Image Description: A labeled diagram showing the relationship between the Pacific Plate, Juan de Fuca Plate, and North American Plate. It includes the locations of the Juan de Fuca Ridge, Mount St. Helens, and Mount Adams. The arrows indicate tectonic movements. The boundary between the Juan de Fuca Plate and the North American Plate is depicted in the diagram.] Source: Tophlm, USGS/CVO, 1999, Modified from Tilling, 1985, Volcanoes; USGS General Interest Publication. **Question:** What is the Juan de Fuca Ridge? a. A divergent plate boundary on land b. A divergent plate boundary & ocean ridge c. A fracture zone d. A volcanic plug --- **4.** [Image Description: A map of the Cascade Range and surrounding tectonic plates. The Pacific Plate is labeled to the west, the Juan de Fuca Plate is in the center, and the North American Plate is to the east. The Juan de Fuca Ridge is marked at the western boundary of the Juan de Fuca Plate. Mount St. Helens and Mount Adams are located on the map with red triangles indicating volcanic activity. Plate movements and boundaries between the plates are shown with directional arrows.] **Plate Tectonics – Cascade Range** How many plate boundaries are shown in this picture? a. 1 b. 2 c. 3 d. 4
**Geology: Understanding Earth's Dynamics** **1. Cross-Section of Earth's Layers and Plate Tectonics** ![Cross-Section of Earth's Layers](image_link) **Description:** The image shows a cross-section of the Earth illustrating the different layers and plate tectonics. The labeled layers include: - Continental Crust - Lithosphere - Asthenosphere - Ancient Oceanic Crust - Mountain Range - High Plateau **Question: Which of these is true? Carefully compare this to your book pictures.** **Options:** a. There is a mistake in this images labels. b. This picture shows a situation like in the Andes. c. The trench is where the high plateau is. d. None of these answers is correct. **2. Cascade Volcanoes Eruption History** ![Cascade Eruptions During The Past 4,000 Years](image_link) **Description:** The diagram provided by the USGS (2002) presents the eruption history of various Cascade volcanoes over the past 4,000 years. **Labeled Volcanoes:** - Baker - Glacier Peak - Rainier - St. Helens - Adams - Hood - Jefferson - Three Sisters - Newberry - Crater Lake - Medicine Lake - Shasta - Lassen The x-axis represents the timeline in years ranging from 0 to 4,000 years ago, and each volcano's activity is marked along this timeline. **Question: This picture is showing volcanoes that are forming:** **Options:** a. A subduction zone. b. A volcanic island arc. c. A continental volcanic arc. d. A linear divergent zone. **Answers:** For more information on these geological concepts, please refer to your textbook and additional resources provided in the course materials.
Transcribed Image Text:**Geology: Understanding Earth's Dynamics** **1. Cross-Section of Earth's Layers and Plate Tectonics** ![Cross-Section of Earth's Layers](image_link) **Description:** The image shows a cross-section of the Earth illustrating the different layers and plate tectonics. The labeled layers include: - Continental Crust - Lithosphere - Asthenosphere - Ancient Oceanic Crust - Mountain Range - High Plateau **Question: Which of these is true? Carefully compare this to your book pictures.** **Options:** a. There is a mistake in this images labels. b. This picture shows a situation like in the Andes. c. The trench is where the high plateau is. d. None of these answers is correct. **2. Cascade Volcanoes Eruption History** ![Cascade Eruptions During The Past 4,000 Years](image_link) **Description:** The diagram provided by the USGS (2002) presents the eruption history of various Cascade volcanoes over the past 4,000 years. **Labeled Volcanoes:** - Baker - Glacier Peak - Rainier - St. Helens - Adams - Hood - Jefferson - Three Sisters - Newberry - Crater Lake - Medicine Lake - Shasta - Lassen The x-axis represents the timeline in years ranging from 0 to 4,000 years ago, and each volcano's activity is marked along this timeline. **Question: This picture is showing volcanoes that are forming:** **Options:** a. A subduction zone. b. A volcanic island arc. c. A continental volcanic arc. d. A linear divergent zone. **Answers:** For more information on these geological concepts, please refer to your textbook and additional resources provided in the course materials.
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