Читать книгу Geology For Dummies - Alecia M. Spooner - Страница 68

Another way scientists categorize the layers of Earth’s geosphere is by their composition, or the types of elements and minerals (explained in Chapter 5) that are found in each layer. The different layers of the earth, their estimated depth, and their physical properties are illustrated in Figure 4-4.

FIGURE 4-4: The layers of the earth.