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Alternate interpretations of barrier island evolution: Apalachicola coast, Northwest Florida

Otvos, E G

Litoralia (New York, N.Y.), 1984-01, Vol.1 (1), p.9-21

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Título:
Alternate interpretations of barrier island evolution: Apalachicola coast, Northwest Florida
Autor: Otvos, E G
Assuntos: Marine
É parte de: Litoralia (New York, N.Y.), 1984-01, Vol.1 (1), p.9-21
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The transgressive-regressive sequences of two Quaternary (Sangamon and Late Holocene) high sea level episodes were identified in numerous island, lagoon, and mainland drillholes from Apalachicola area core samples. As elsewhere on the Gulf coast, no conclusive indications of a Mid-Wisconsin higher sea level stand had been preserved in marine units. By the use of biotope profiles, based on abundant salinity-sensitive foraminifer taxa, and strandplain configurations, it is suggested that all four original islands evolved through shoal aggradation in the Late Holocene. The extent of subsequent lateral or seaward progradation depended on the spatial relationship with stream and littoral drift-sediment sources and on shelf bottom configurations.
Idioma: Inglês

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