Dott Ice Rise is a peninsula

Peninsula

A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....

-like feature that is ice-drowned except for the Barrett Nunataks

Barrett Nunataks

The Barrett Nunataks are a group of nunataks located on the east side of the Dott Ice Rise overlooking Constellation Inlet, in the Heritage Range, Ellsworth Mountains. They were named by the University of Minnesota Ellsworth Mountains Party, 1962–63, for Peter J. Barrett, geologist with the party....

, about 20 nautical miles (37 km) long, extending eastward from the Heritage Range

Heritage Range

The Heritage Range is a major mountain range, long and wide, situated southward of Minnesota Glacier and forming the southern half of the Ellsworth Mountains in Antarctica...

 of the Ellsworth Mountains

Ellsworth Mountains

The Ellsworth Mountains are the highest mountain ranges in Antarctica, forming a long and wide chain of mountains in a north to south configuration on the western margin of the Ronne Ice Shelf. They are bisected by Minnesota Glacier to form the northern Sentinel Range and the southern Heritage...

 and terminating at Constellation Inlet

Constellation Inlet

Constellation Inlet is an ice-filled inlet, long and wide, between the Dott Ice Rise and the Skytrain Ice Rise at the southwest margin of the Ronne Ice Shelf. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1961–66, and named by the Advisory...

 at the southwest edge of Ronne Ice Shelf. 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 surveys and U.S. Navy air photos, 1961-66. 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) for Robert H. Dott, United States Antarctic Research Program (USARP) geologist and senior U.S. representative at Bernardo O'Higgins Base, summer 1961-62.