The Dalton Iceberg Tongue (66°15′S 121°30′E) is a large iceberg tongue that extends seaward from the eastern part of Moscow University Ice Shelf

Moscow University Ice Shelf

Moscow University Ice Shelf is a narrow ice shelf, about 120 miles long, which fringes Sabrina Coast between Totten Glacier and Paulding Bay. Dalton Iceberg Tongue extends north from the east part of the shelf...

. The feature was partly delineated from air photos taken by USN Operation Highjump

Operation Highjump

Operation Highjump , officially titled The United States Navy Antarctic Developments Program, 1946-1947, was a United States Navy operation organized by RADM Richard E. Byrd Jr. USN, , Officer in Charge, Task Force 68, and led by RADM Richard H. Cruzen, USN, Commanding Officer, Task Force 68....

 (1946–47). It was mapped on the basis of observation by Phillip Law

Phillip Law

Phillip Garth Law AC, CBE, FAA was an Australian scientist and explorer who served as director of Australian National Antarctic Research Expeditions from 1949 to 1966.-Early life:...

 from ANARE (Australian National Antarctic Research Expeditions

Australian National Antarctic Research Expeditions

The Australian National Antarctic Research Expeditions is the historical name for the Australian Antarctic Program administered for Australia by the Australian Antarctic Division .-The ANARE Name:...

) aircraft in 1958, and visited in February 1960 by the ANARE (Magga Dan) led by Phillip Law.

The Dalton Iceberg Tongue was named by ANCA for R.F.M. Dalton, second-in-command of the latter expedition.