Title

The Atchafalaya Delta - Louisiana's new prograding coast.

Document Type

Article

Publication Date

1-1-1980

Abstract

Prior to 1950, Atchafalaya sediment was trapped in intrabasin lakes and swamps. Thereafter, progressive basin filling prompted silt/clay deposition in Atchafalaya Bay and initiated the subaqueous phase of delta building. This developmental stage started in the early 1950's and continued until the appearance of sand-dominant subaerial lobes in 1972, after which rapid subaerial growth occurred. The Atchafalaya Delta represents an entirely new prograding sand body in an area of the Mississippi deltaic plain which over the past several thousand years has been characterized by slow deposition of fine-grained sediments and coastal retreat.- from Authors

Publication Source (Journal or Book title)

Transactions, Gulf Coast Association of Geological Societies

First Page

497

Last Page

506

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