Queen City Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....middle Eocene
 ......Queen City Formation
RTLouisiana
 Texas
 Claiborne Group
SNIn Claiborne Group. Includes Arp Member, Omen Glauconitic Sandstone Member, and unnamed upper sand member. NW Louisiana and E Texas.