Mount Lockhart is a prominent northerly projection from the main massif

Massif

In geology, a massif is a section of a planet's crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to retain its internal structure while being displaced as a whole...

 of the Fosdick Mountains

Fosdick Mountains

The Fosdick Mountains is an East-West trending mountain range with marked serrate outlines, standing along the south side of Balchen Glacier at the head of Block Bay, in the Ford Ranges of Marie Byrd Land....

 4 miles (6 km) northeast of Mount Avers

Mount Avers

Mount Avers is a mountain north of Mount Ferranto in the Fosdick Mountains, in the Ford Ranges of Marie Byrd Land. It was discovered in December 1929 by the Byrd Antarctic Expedition and named for Henry G. Avers, chief mathematician of the Division of Geodesy, U.S...

, in the Ford Ranges

Ford Ranges

The Ford Ranges is a grouping of mountain ranges standing east of Sulzberger Ice Shelf and Block Bay in the northwest part of Marie Byrd Land, Antarctica...

 of Marie Byrd Land

Marie Byrd Land

Marie Byrd Land is the portion of West Antarctica lying east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W...

, Antarctica. Discovered by the Byrd Antarctic Expedition on a flight on December 5, 1929. Named for Ernest Earl Lockhart

Ernest Earl Lockhart

-Early life and education:Ernest Earl Lockhart was born in Boston, Massachusetts on September 10, 1912. He grew up in the Hyde Park section of Boston; Lockhart was the youngest of three children of Clinton Daniel Lockhart and Celeste Althea Westhaver, who both emigrated from Nova Scotia, Canada. E.E...

, physiologist at West Base of the United States Antarctic Service Expedition

United States Antarctic Service Expedition

The United States Antarctic Service Expedition , often referred to as Byrd’s third Antarctic Expedition, was an expedition jointly sponsored by the United States Navy, State Department, Department of the Interior and The Treasury...

and a member of the biological party which visited this area in 1940.