Lithostratigraphy and conodont biostratigraphy across the lower-middle Ordovician disconformity (early to middle Whiterockian) at Pratt Ferry, central Alabama
By: by T. H. Shaw, Keith E. Roberson, and Anita G. Harris.
Contributors: Roberson, Keith E.; Harris, Anita G.
Series: U.S. Geological Survey bulletin -- 1895-C; Shorter contributions to paleontology and stratigraphy
Publisher: U.S. G.P.O.
Published: 1990
Place of publication: [Washington]
Language: eng
Number of pages: 13
Subjects: Paleontology -- Ordovician.; Paleontology -- Alabama -- Bibb County -- Ordovician.; Conodonts -- Alabama -- Bibb County.; Unconformities (Geology) -- Alabama -- Bibb County.; Limestone -- Alabama -- Bibb County.; Geology, Stratigraphic -- Ordovician.; Geology -- Alabama -- Bibb County.
Notes: "Description and conodont correlation of a stratigraphic unit that formed in paleokarst depressions at the onset of Middle Ordovician transgression."

Includes bibliographical references (p. 12-13).