Final answer:
Discordant coastlines, such as the Dorset Coast with the Durdle Door, feature varying rock resistance leading to headlands and bays, while concordant coastlines, like Lulworth Cove
Step-by-step explanation:
Examples of Discordant and Concordant Coastlines
Discordant coastlines occur when bands of different rock types run perpendicular to the shore. A classic example of a discordant coastline is the Dorset Coast in Southern England, including the iconic Durdle Door arch. The varying resistance to erosion of the rocks causes distinctive landforms such as headlands and bays.
On the other hand, concordant coastlines occur where rock layers are parallel to the shoreline. The Lulworth Cove in Dorset also serves as a prime example of a concordant coastline. These types of coastlines typically feature fewer variations in coastal relief and tend to have smoother, straighter edges due to uniform rock resistance along the shore's orientation.
These types of coastlines are shaped by processes including Continent-Continent Convergence (CCC), Ocean-Ocean Convergence (OOC), and Continent-Ocean Convergence (COC) among others. These tectonic processes significantly contribute to the formation of the varied coastal landscapes we observe around the world.