Dietz Bluff is a prominent bluff at the head of Hilton Inlet

Hilton Inlet

Hilton Inlet is an ice-filled inlet, 12 nautical miles wide, which recedes about 22 nautical miles west from its entrance between Capes Darlington and Knowles, along the east coast of Palmer Land. Discovered by the United States Antarctic Service in 1940, and named for Donald C...

 on the Black Coast

Black Coast

Black Coast is the portion of the east coast of the Antarctic Peninsula between Cape Boggs and Cape Mackintosh. This coast was discovered and photographed from the air by members of the East Base of the U.S. Antarctic Service, 1939–41, on a flight of December 30, 1940...

, Palmer Land

Palmer Land

Palmer Land is that portion of the Antarctic Peninsula which lies south of a line joining Cape Jeremy and Cape Agassiz. This application of Palmer Land is consistent with the 1964 agreement between US-ACAN and UK-APC, in which the name Antarctic Peninsula was approved for the major peninsula of...

. The bluff was photographed from the air by United States Antarctic Service (USAS), 1940, and by Ronne Antarctic Research Expedition

Ronne Antarctic Research Expedition

The Ronne Antarctic Research Expedition was an expedition from 1947-1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.-Background:...

 (RARE), 1947; mapped by United States Geological Survey

United States Geological Survey

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...

 (USGS) from U.S. Navy aerial photographs taken 1966-69. Named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN), in association with the names of continental drift scientists grouped in this area, after Robert S. Dietz

Robert S. Dietz

Robert Sinclair Dietz was Professor of Geology at Arizona State University. Dietz was a marine geologist, geophysicist and oceanographer who conducted pioneering research along with Harry Hammond Hess concerning seafloor spreading, published as early as 1960–1961...

, American marine geologist with Atlantic Oceanographic and Meteorological Laboratory, Miami, Florida, from 1967.