Abstract

The General Stratigraphy.

In the most recent and exhaustive authoritative publication concerning the Cretaceous and Tertiary strata of Alabama, Bulletin number 43 of the United States Geological Survey (1887), Professor Eugene A. Smith, State Gelogist of Alabama, and Lawrence C. Johnson, of the United States Geological Survey, have given the following classification, subdivision and thickness of these formations:

TERTIARY (EOCENE.) Uppe (White Limestone.) Coral Limestone (Vicksburg ?) 150 
Vicksburg (Orbitoidal) 140 
Jackson 60 
Middle Claiborne 140–145 
Buhrstone 300 
Lower. Hatchetigbee 175 
Wood’s Bluff or Bashi 80–85 
Bell’s Landing or Tuscahoma 140 
Nanafalia 200 
Matthews’ Landing or Naheola 130–150 
Black Bluff 100 
Midway 25 
CRETACEOUS Ripley 250–275 
Rotten Limestone 1,000 
Eutaw 300 
CRETACEOUS (?) Tuscaloosa (?) 1,000 
TERTIARY (EOCENE.) Uppe (White Limestone.) Coral Limestone (Vicksburg ?) 150 
Vicksburg (Orbitoidal) 140 
Jackson 60 
Middle Claiborne 140–145 
Buhrstone 300 
Lower. Hatchetigbee 175 
Wood’s Bluff or Bashi 80–85 
Bell’s Landing or Tuscahoma 140 
Nanafalia 200 
Matthews’ Landing or Naheola 130–150 
Black Bluff 100 
Midway 25 
CRETACEOUS Ripley 250–275 
Rotten Limestone 1,000 
Eutaw 300 
CRETACEOUS (?) Tuscaloosa (?) 1,000 

The measurements, actual and estimated, for the foregoing table are the result of careful observations made during boat trips down the Tombigbee, the Tuscaloosa, and the Alabama rivers, and wagon . . .

First Page Preview

First page PDF preview
You do not currently have access to this article.