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USGS Coastal and Marine Geology Program

Geophysical Data from Offshore of the Chandeleur Islands, Eastern Mississippi Delta


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Figure 1. (A) Inset map of the Mississippi Delta region including surrounding portions of coastal Louisiana, Mississippi, Alabama, and Florida. (B) Schematic diagram of Mississippi Delta Comples sublobes showing the relative timing of their development (after Penland and others, 2002). The Chandeleur Islands ile on the eastern edge of the Mississippi Delta (also see Fig. 2), and are associated with the St. Bernard sublobe, which formed between approximately 4600 and 1800 yr BP.
Figure 1. (A) Inset map of the Mississippi Delta region including surrounding portions of coastal Louisiana, Mississippi, Alabama, and Florida. (B) Schematic diagram of Mississippi Delta Complex sublobes (colored and outlined polygons) showing the relative timing (1-16) of their development (modified from Penland and others, 2002). The Chandeleur Islands lie on the eastern edge of the Mississippi Delta (also see fig. 2), and are associated with the St. Bernard sublobe, which formed between approximately 4,600 and 1,800 years BP.
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