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Which of the following is correct regarding the dikes in the accompanying figure?   Figure 7.1 Relative age determination using cross cutting relationships. G is granite; N, Y, and W are dikes. The radiometric (absolute) age of the granite, G, is 250 m.y. and that of Y is 150 m.y.  Select the correct option and explain. A. Y is older than N. B. N is younger than W. C. W is younger than Y. D. Y is the youngest rock in this figure.

Which of the following is correct regarding the dikes in the accompanying figure?   Figure 7.1 Relative age determination using cross cutting relationships. G is granite; N, Y, and W are dikes. The radiometric (absolute) age of the granite, G, is 250 m.y. and that of Y is 150 m.y.  Select the correct option and explain. A. Y is older than N. B. N is younger than W. C. W is younger than Y. D. Y is the youngest rock in this figure.

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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Which of the following is correct regarding the dikes in the accompanying figure?  

Figure 7.1 Relative age determination using cross cutting relationships. G is granite; N, Y, and W are dikes. The radiometric (absolute) age of the granite, G, is 250 m.y. and that of Y is 150 m.y. 

Select the correct option and explain.
A. Y is older than N.
B. N is younger than W.
C. W is younger than Y.
D. Y is the youngest rock in this figure.

 

The image appears to be a diagram featuring a crossroads with several overlapping paths or lines labeled as N, Y, G, and W. Here is a detailed description: 1. **Lines and Labels**: - The diagram includes intersecting lines of varying widths and textures. - The lines are labelled with the following letters: N, Y, G, and W. 2. **Patterns and Textures**: - Each path has a distinct shading pattern or texture to differentiate between them. - The line labeled with a 'Y' is at the center of the intersection. - The 'N' line is positioned on the left side. - 'G' is on the right side of the intersection. - 'W' is part of a thicker, darker line crossing through the others diagonally. 3. **Intersection**: - The lines intersect primarily around the central area near the 'Y', suggesting it may be a focal point or a junction. This diagram could be used in an educational context to illustrate concepts related to mapping, planning, or network intersections, and the importance of distinct labeling and line differentiation for clarity.
Transcribed Image Text:The image appears to be a diagram featuring a crossroads with several overlapping paths or lines labeled as N, Y, G, and W. Here is a detailed description: 1. **Lines and Labels**: - The diagram includes intersecting lines of varying widths and textures. - The lines are labelled with the following letters: N, Y, G, and W. 2. **Patterns and Textures**: - Each path has a distinct shading pattern or texture to differentiate between them. - The line labeled with a 'Y' is at the center of the intersection. - The 'N' line is positioned on the left side. - 'G' is on the right side of the intersection. - 'W' is part of a thicker, darker line crossing through the others diagonally. 3. **Intersection**: - The lines intersect primarily around the central area near the 'Y', suggesting it may be a focal point or a junction. This diagram could be used in an educational context to illustrate concepts related to mapping, planning, or network intersections, and the importance of distinct labeling and line differentiation for clarity.
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