SECTION 21.2 Relative-Age Dating, continued In your textbook, read about the types of unconformities and how they form: Match each diagram with the type of unconformity it shows. Write the letter of the matching diagram in the space provided. Then describe each unconformity and how it formed. Sandstone Shale A 11. Nonconformity Sandstone Grebite B Sandstone Shales

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