Caspian Depression  search
BTAsia
 .Central Asia
 ..Caspian Depression
UFCaspian Lowland
 Caspian Syneclise
RTRussian Federation
 Kazakhstan
 Astrakhan Arch
 Caspian Basin
 Karachaganak Field
 Tengiz Field
SNThat part of the Caspian Basin lying N of the Caspian Sea; it is a large lowland area which was submerged by the Caspian Sea at one time. Also search Caspian. Indexed with former Soviet republics as applicable.