[PAR] [TLE] Kentucky [SEP] Kentucky ( , ), officially the Commonwealth of Kentucky, is a state located in the east south-central region of the United States.  Although styled as the "State of Kentucky" in the law creating it, Kentucky is one of four U.S. states constituted as a commonwealth (the others being Virginia, Pennsylvania, and Massachusetts).  Originally a part of Virginia, in 1792 Kentucky became the 15th state to join the Union.  Kentucky is the 37th most extensive and the 26th most populous of the 50 United States. [PAR] [TLE] Borden Formation [SEP] The Mississippian Borden Formation is a mapped bedrock unit in Kentucky, Indiana, Illinois, Ohio, West Virginia, and Tennessee.  It has many members, which has led some geologists to consider it a group (for example in Indiana) rather than a formation (for example in Kentucky).
[PAR] [TLE] Kentucky [ SEP ] Kentucky ( , ) , officially the Commonwealth of Kentucky , is a state located in the east south - central region of the United States . Although styled as the " State of Kentucky " in the law creating it , Kentucky is one of four U.S. states constituted as a commonwealth ( the others being Virginia , Pennsylvania , and Massachusetts ) . Originally a part of Virginia , in 1792 Kentucky became the 15th state to join the Union . Kentucky is the 37th most extensive and the 26th most populous of the 50 United States . [PAR] [TLE] Borden Formation [ SEP ] The Mississippian Borden Formation is a mapped bedrock unit in Kentucky , Indiana , Illinois , Ohio , West Virginia , and Tennessee . It has many members , which has led some geologists to consider it a group ( for example in Indiana ) rather than a formation ( for example in Kentucky ) .
The Mississippian Borden Formation is a mapped bedrock unit in a state that was originally part of what other state?
The Mississippian Borden Formation is a mapped bedrock unit in a state that was originally part of what other state ?
Virginia
Virginia