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A green and protected islet
Located off the Atlantic coast in the bay of the municipality of Le Robert in Martinique, the La Grotte islet comes from the underwater volcanic chain of Vauclin-Pitault and, more precisely, from the initial Le François - Le Robert episode dated from the medium Miocene. Elongated and conical to the south, it displays a facies of hyaloclastites and massive flows. The islet of 14 acres (5.7 ha) culminating at 124 ft (38 m) shelters a very heterogeneous and discontinuous vegetation where a pioneering natural flora and an anthropophilic flora coexist near the houses. There are notably country mulberries (Maclura tinctoria), a plant species rare in Martinique. Since October 2002, a biotope protection zone has been established over the entire islet, which became a registered site in July 2007.
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