
Morgan Inlet is an ice-filled
inlet
An inlet is a (usually long and narrow) indentation of a shoreline, such as a small arm, bay, sound, fjord, lagoon or marsh, that leads to an enclosed larger body of water such as a lake, estuary, gulf or marginal sea.
Overview
In ma ...
about long, with two branches, indenting the east end of
Thurston Island
Thurston Island is an ice-covered, glacially dissected island, long, wide and in area, lying a short way off the northwest end of Ellsworth Land, Antarctica. It is the third-largest island of Antarctica, after Alexander Island and Berkner Is ...
, Antarctica, between
Lofgren Peninsula and
Tierney Peninsula.
The south side of the larger north arm of the inlet is an area of icy rock exposures called the King Cliffs.
The east extremity of the wedge-shaped
promontory
A promontory is a raised mass of land that projects into a lowland or a body of water (in which case it is a peninsula). Most promontories either are formed from a hard ridge of rock that has resisted the erosive forces that have removed the soft ...
between
Lofgren Peninsula and
Tierney Peninsula is called Ryan Point.
These features were discovered in helicopter flights from the U.S. Navy
Bellingshausen Sea Expedition in February 1960, and were named by the
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica.
History
The committee was established ...
. The inlet was named for Lieutenant Commander
Joseph R. Morgan,
U.S. Navy, a hydrographic and oceanographic officer of U.S. Navy Task Force 43 during this expedition.
[ The cliffs were named for geologist Charles E. King, a member of the Ellsworth Land Survey which worked at the cliffs in the 1968–69 season.][ The point is named after ]A.E. Ryan
AE, Ae, ae, Æ or æ may refer to:
Arts and entertainment
* ''A.E.'' (video game), 1982
* ''Ae'' (film), a 2022 Sri Lankan film
* Autechre, an electronic music group
* '' L'Année épigraphique'', a French publication on epigraphy
* '' Ency ...
, Chief Photographer's Mate in the Eastern Group of U.S. Navy Operation Highjump
Operation HIGHJUMP, officially titled The United States Navy Antarctic Developments Program, 1946–1947, (also called Task Force 68), was a United States Navy (USN) operation to establish the Antarctic research base Little America IV. The opera ...
, which obtained aerial photographs of Thurston Island and adjacent coastal areas, 1946–47.[
]
Maps
Thurston Island – Jones Mountains.
1:500000 Antarctica Sketch Map. US Geological Survey, 1967.
Antarctic Digital Database (ADD).
Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR), 1993–2016.
Further reading
* T.R. Riley, M.J. Flowerdew, R.J. Pankhurst, P.T. Leat, I.L. Millar, C.M. Fanning, & M.J. Whitehouse,
A revised geochronology of Thurston Island, West Antarctica and correlations along the proto Pacific margin of Gondwana
'
* International Symposium on Antarctic Earth Sciences 5th : 1987,
Geological Evolution of Antarctica
', Cambridge, England, P 400
References
Inlets of Ellsworth Land
Thurston Island
{{ThurstonIsland-geo-stub