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What general direction was the Pacific plate moving between 70.7 and 43.4 million years ago?

What general direction was the Pacific plate moving between 70.7 and 43.4 million years ago?

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
Problem 1LR
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What general direction was the Pacific plate moving between 70.7 and 43.4 million years
ago?

**Title:** Hawaiian-Emperor Seamount Chain **Figure 3 Description:** This figure presents a map of the Hawaiian-Emperor Seamount Chain. Key features of the map include: - **Points:** Indicate the locations where basalt lava samples have been collected. - **Parentheses:** Each point encompasses two values in parentheses. The first number represents the distance to Kilauea in kilometers, while the second number denotes the age of the sample measured in millions of years, determined through radiometric dating. - **Shaded Areas:** Represent zones between sea level and 2 kilometers below the sea surface. - **Topographic High:** Clearly identified on the map, illustrating areas of elevated terrain. - **Legend:** The map is accompanied by a detailed legend explaining the symbols and notations used. The map also highlights significant geographical landmarks, including: - **Yuryaku Seamount** and **Meiji Seamount**, among others, provide reference points along the chain. - The **Hawaiian-Emperor Bend** marks a noteworthy curve in the seamount chain. - The **Hawaiian Ridge** is clearly labeled, with details down to the islands and key volcanic sites like **Kilauea**, which is the reference point for measurements. **Latitude and Longitude:** The map includes degrees of latitude (20°N to 50°N) and longitude (170°E to 160°W), aiding in precise geographical understanding. **Additional Context:** - **Direction of Pacific Plate Motion:** Following question 1 related to the general direction of motion of the Pacific plate over millions of years provides crucial context for geological studies in this region. This map serves as an educational tool for understanding the geological development and age progression of the seamount chain, essential for both geological education and research.
Transcribed Image Text:**Title:** Hawaiian-Emperor Seamount Chain **Figure 3 Description:** This figure presents a map of the Hawaiian-Emperor Seamount Chain. Key features of the map include: - **Points:** Indicate the locations where basalt lava samples have been collected. - **Parentheses:** Each point encompasses two values in parentheses. The first number represents the distance to Kilauea in kilometers, while the second number denotes the age of the sample measured in millions of years, determined through radiometric dating. - **Shaded Areas:** Represent zones between sea level and 2 kilometers below the sea surface. - **Topographic High:** Clearly identified on the map, illustrating areas of elevated terrain. - **Legend:** The map is accompanied by a detailed legend explaining the symbols and notations used. The map also highlights significant geographical landmarks, including: - **Yuryaku Seamount** and **Meiji Seamount**, among others, provide reference points along the chain. - The **Hawaiian-Emperor Bend** marks a noteworthy curve in the seamount chain. - The **Hawaiian Ridge** is clearly labeled, with details down to the islands and key volcanic sites like **Kilauea**, which is the reference point for measurements. **Latitude and Longitude:** The map includes degrees of latitude (20°N to 50°N) and longitude (170°E to 160°W), aiding in precise geographical understanding. **Additional Context:** - **Direction of Pacific Plate Motion:** Following question 1 related to the general direction of motion of the Pacific plate over millions of years provides crucial context for geological studies in this region. This map serves as an educational tool for understanding the geological development and age progression of the seamount chain, essential for both geological education and research.
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