Answered: 5 10 15 20 30 40 50 60 Fine roots in…

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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Question

Label what you think are the horizons in Figure 2. What do you think is the best “fit” Soil Order for this profile? What other Soil Order may be applicable? Explain your rationale.

Transcribed Image Text:5 10 15 20 30 40 50 60 Fine roots in fine ash Pumice Fine ash Figure 2. Soil profile (scale in cm) under a pine plantation. The pebbles at the surface were exposed due to preparation of the site for planting. Site is the Central North Island of New Zealand.

Expert Solution

Step 1: Introduce the concept

A soil profile is a vertical cut through the soil that displays the many strata or layers that compose it. The physical and chemical characteristics of the horizons—such as texture, hue, and composition—define them. Depending on the environment, the nature of the parent material, and how long the soil has been formed, different horizons can range in quantity and thickness.