Khorat Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Khorat Group
RTTriassic
 Jurassic
 Thailand
SNIncludes the Kamawkala Limestone. May also include beds of Permian as well as Cretaceous age or younger. Widespread throughout the country. Indexed with ages as applicable.