Tonga  search
BTOceania
 .Polynesia
 ..Tonga
NTEua Island
 Tofua
UFFriendly Islands
 Tonga Arc
 Tonga Archipelago
 Tonga island arc
 Tonga Islands
RTEast Pacific Ocean Islands
 Pacific Ocean
 Ata Caldera
 Tonga Trench
SNAn archipelago of about 150 islands NE of New Zealand. Formerly a British protectorate which became independent in 1970.
Tonga Arc  search
USETonga
Tonga Archipelago  search
USETonga
Tonga island arc  search
USETonga
Tonga Islands  search
USETonga
Tonga Trench  search
BTPacific Ocean
 .South Pacific
 ..Southeast Pacific
 ...Tonga Trench
RTTonga
 DSDP Site 595
 Leg 91
 DSDP Site 596
SNE of the Tongtapu group of the S Tonga Islands. This term has multiple hierarchies.
Tonganoxie Sandstone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Upper Pennsylvanian
 ......Virgilian
 .......Tonganoxie Sandstone
UFTunganoxie Sandstone Member
RTMissouri
 Kansas
SNOf Stranger Formation. Underlies Westphalia Limestone Member. In E Kansas and NW Missouri.
Tongariro  search
BTAustralasia
 .New Zealand
 ..Tongariro
RTvolcanoes
 North Island
 Taupo volcanic zone
 Ngauruhoe
SNVolcano in Tongariro National Park, central North Island, New Zealand. Also index North Island. Added to Thesaurus in 1993.