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GeoLex links

For information on the history of rock unit names, regional usage, and brief descriptions of stratigraphic units discussed in the preceding section, link to the U.S. Geological Survey's GeoLex database for:

Borden Formation

• Muldraugh Member
• New Providence Member
• (note the New Providence has been mapped as both a member of the Borden and Fort Payne Formations in Kentucky)

Chattanooga Shale Formation

Fort Payne Formation

• Cane Valley Limestone Member
• Floyds Knob bed
• Jabez Sandstone Member
• Knifley Sandstone Member
• Maury shale
• (note the Maury is not officially mapped in Kentucky, although it occurs as a shale bed in the base of the Fort Payne Formation)

Salem Limestone Formation

Warsaw Formation (mapped with Salem in Kentucky)

• Somerset Shale Member
• Science Hill Member

 

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