Discussion
One of the following is a barrier attached at one end to the mainland, with or without recurves, and backed by a bay, lagoon or marshland :
Answer: D
The feature is a barrier spit.
A spit is a ridge of sand or shingle deposited by longshore drift that is attached to the mainland at one end and extends into open water at the other, often curving landward at its tip (recurves). When it partly closes the mouth of a bay or lagoon, with the lagoon or marsh behind it, it is called a barrier spit.
A chenier ridge is a beach ridge resting on marsh or mudflat deposits and is not attached at one end. A beach berm is the nearly flat terrace on the backshore, and a fringing reef is a coral reef growing next to the shore, not a depositional barrier.
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