Earth: An Introduction to Physical Geology (12th Edition)

Published by Pearson
ISBN 10: 0134074254
ISBN 13: 978-0-13407-425-2

Chapter 20 - Section 20.5 - Contrasting America’s Coasts - Concept Checks - Page 612: 2

Answer

An emergent coastal area can be identified by several observable features. One such feature is the presence of raised beaches or ancient shorelines, which were once at sea level but are now elevated due to uplift or a drop in sea level. Marine terraces are also common in emergent coasts, being flat, elevated landforms parallel to the coastline, formed by wave erosion during land uplift. Emergent wetlands, like marshes and swamps, may develop as submerged areas become exposed due to the land rising. Additionally, fossilized coral reefs above the current sea level can indicate an emergent coastal area. Uplifted coastal cliffs are also characteristic of emergent coasts.

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