| Ridley Limestone | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Lithology | |
| Primary | limestone |
| Location | |
| Region |  Tennessee |
| Country |  United States |
The Ridley Limestone is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Nolichucky Formation is a geologic formation in Virginia and Tennessee. It preserves fossils dating back to the Cambrian period.
The Moccasin Formation is a geologic formation in Virginia and Tennessee. It preserves fossils dating back to the Ordovician period.
The Stones River Group is a geologic group in Tennessee. It preserves fossils dating back to the Ordovician period.
The Rome Formation is a geologic formation in Alabama, Georgia, and Tennessee. It preserves fossils dating back to the Cambrian period.
The Birdsong Shale is a geologic formation in Tennessee. It preserves fossils dating back to the Devonian period.
The Blackford Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Hermitage Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Inman Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Lebanon Limestone is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Leipers Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Lenoir Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Murfreesboro Limestone is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Rockdell Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Ordovician period.
The Sequatchie Formation is a geologic formation in Alabama, Georgia, and Tennessee. It preserves fossils dating back to the Ordovician period.
The Decatur Limestone is a geologic formation in Tennessee. It preserves fossils dating back to the Silurian period.
The Brownsport Group is a geologic group in Tennessee. It preserves fossils dating back to the Silurian period.
The Porters Creek Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Paleogene period.
The Midway Group is a geologic group in the Mississippi Embayment of Tennessee, Arkansas, Mississippi, Louisiana, Texas and Alabama. It preserves fossils dated to the Paleogene period.
The Java Formation is a geologic formation in Kentucky, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia. It preserves fossils dating back to the Devonian period. The formation comprises the Pipe Creek Shale, Wiscoy Sandstone Member in New York, and Hanover Shale Member except in Tennessee.
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