. . . . . . "The Southern Oklahoma Aulacogen is a failed rift, or failed rift arm (aulacogen), of the triple junction that became the Iapetus Ocean spreading ridges. It is a significant geological feature in the Western and Southern United States. It formed sometime in the early to mid Cambrian Period and spans the Wichita Mountains, Taovayan Valley, Anadarko Basin, and Hardeman Basin in Southwestern Oklahoma. The Southern Oklahoma Aulacogen is primarily composed of basaltic dikes, gabbros, and units of granitic rock."@en . "POINT(-99.300003051758 35)"^^ . . . . "35.0"^^ . . . . . . . . . . . . "Early to mid Cambrian"@en . . . "-99.30000305175781"^^ . . . . "Southern Oklahoma Aulacogen"@en . . . . . . . . "The Southern Oklahoma Aulacogen is a failed rift, or failed rift arm (aulacogen), of the triple junction that became the Iapetus Ocean spreading ridges. It is a significant geological feature in the Western and Southern United States. It formed sometime in the early to mid Cambrian Period and spans the Wichita Mountains, Taovayan Valley, Anadarko Basin, and Hardeman Basin in Southwestern Oklahoma. The Southern Oklahoma Aulacogen is primarily composed of basaltic dikes, gabbros, and units of granitic rock."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1118687244"^^ . "Approximately"@en . . . . . . . . . . . . . . . . . "United States"@en . . . . . . . . . . "An outline of the Aulacogen"@en . . . . "."@en . . "Southern Oklahoma Aulacogen"@en . . . . "19755"^^ . . "35.0 -99.3" . . . . . . . . "44395288"^^ . . . . . . . . . . . . . . . . . . .