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Walk The Trail: Quincy Salt Marsh TrailStop 9

Salt-Marsh Formations a salt-marsh island

This elevated patch of land within the salt marsh collects fresh water in a "lens" while suppressing the salt water underneath. Land formations like this are found in many salt marshes. There are many different ways that this island could have formed. Perhaps the tide washed in debris and other foreign materials (silt, sand and other plant life) that became encased in the mud while gradually forming the island. Or the island could be the by-product of leftover glacial deposits. However it was formed, it is worthy to note that the plant species growing here are less salt-tolerant, terrestrial species.

 


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