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4) Where the lines intersect should also indicate percent silt. On the graph above, you can see that it is about 8% silt. Your second line, showing 27% clay FIGURE 3-16 10 20 30 100 40 - percent clay 8 50 loamy sand sand 60- 70 sandy/ clay sandy loem T sandy clay loam A \/ 80 80 g V ㅎ 90 100 ✓ clay 8 10 clay loam, loam 5 percent sand 20 8 -30 S silty clay V percent silt 50 silty clay loam silt loam 60 8 -70 80 silt る '%0 06 100

4) Where the lines intersect should also indicate percent silt. On the graph above, you can see that it is about 8% silt. Your second line, showing 27% clay FIGURE 3-16 10 20 30 100 40 - percent clay 8 50 loamy sand sand 60- 70 sandy/ clay sandy loem T sandy clay loam A \/ 80 80 g V ㅎ 90 100 ✓ clay 8 10 clay loam, loam 5 percent sand 20 8 -30 S silty clay V percent silt 50 silty clay loam silt loam 60 8 -70 80 silt る '%0 06 100

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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The text accompanying the diagram reads: "4) Where the lines intersect should also indicate percent silt. On the graph above, you can see that it is about 8% silt." The provided diagram, titled "FIGURE 3-16", is a soil texture triangle used to classify the texture of soil based on the relative percentages of sand, silt, and clay it contains. ### Explanation of the Diagram: - **Axes**: - The left axis represents the percentage of clay, increasing from bottom to top (0% to 100%). - The right axis represents the percentage of silt, increasing diagonally from right to left (0% to 100%). - The bottom axis represents the percentage of sand, increasing diagonally from left to right (0% to 100%). - **Regions within the Triangle**: - The triangle is divided into different regions, each labeled to indicate a specific soil type (e.g., clay, sandy clay, loam, silty clay loam, sandy loam, etc.). - **Lines and Annotations**: - A horizontal dashed line marks a soil composition containing approximately 8% silt. - A diagonal line labeled "Your second line, showing 27% clay" marks a point on the grid indicative of a sandy clay loam soil type. By interpreting the intersection of these lines on the triangle, one can determine the soil type based on its texture composition. For instance, as indicated by the lines, this particular soil sample comprises approximately 8% silt and 27% clay, classifying it within the sandy clay loam region.
Transcribed Image Text:The text accompanying the diagram reads: "4) Where the lines intersect should also indicate percent silt. On the graph above, you can see that it is about 8% silt." The provided diagram, titled "FIGURE 3-16", is a soil texture triangle used to classify the texture of soil based on the relative percentages of sand, silt, and clay it contains. ### Explanation of the Diagram: - **Axes**: - The left axis represents the percentage of clay, increasing from bottom to top (0% to 100%). - The right axis represents the percentage of silt, increasing diagonally from right to left (0% to 100%). - The bottom axis represents the percentage of sand, increasing diagonally from left to right (0% to 100%). - **Regions within the Triangle**: - The triangle is divided into different regions, each labeled to indicate a specific soil type (e.g., clay, sandy clay, loam, silty clay loam, sandy loam, etc.). - **Lines and Annotations**: - A horizontal dashed line marks a soil composition containing approximately 8% silt. - A diagonal line labeled "Your second line, showing 27% clay" marks a point on the grid indicative of a sandy clay loam soil type. By interpreting the intersection of these lines on the triangle, one can determine the soil type based on its texture composition. For instance, as indicated by the lines, this particular soil sample comprises approximately 8% silt and 27% clay, classifying it within the sandy clay loam region.
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