| State | Kentucky |
|---|---|
| Name | Lexington Limestone |
| Geologic age | Ordovician |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestonelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 90% limestone (some nodular, some clastic) and 10% shale
Minor
Sedimentary > Clastic > Mudstone > Shalelithologies and lithology percentages estimated from stratigraphic column on paper source map; collectively these units are about 90% limestone (some nodular, some clastic) and 10% shale
|
| Comments | in west-central Kentucky, the thickness is 60-110 m; in north-central Kentucky the thickness is 15-60+ m; in northeastern Kentucky, the thickness is at least 45+ m; in east-central Kentucky, the thickness is 55-95 m; Middle Ordovician age |
| References | Noger, M.C., compiler, 1988, Geologic map of Kentucky: sesquicenntennial edition of the Kentucky Geological Survey: U.S. Geological Survey and the Kentucky Geological Survey, scale 1:500,000.USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/https://ngmdb.usgs.gov/Geolex/search |
| NGMDB product | |
| Counties | Anderson - Bourbon - Boyle - Bracken - Clark - Fayette - Fleming - Franklin - Garrard - Grant - Harrison - Henry - Jessamine - Lincoln - Madison - Mercer - Montgomery - Nicholas - Owen - Pendleton - Robertson - Scott - Shelby - Washington - Woodford |