Radian Ridge#Anne Hill
{{Short description|Ridge in Antarctica}}
{{Infobox mountain
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| location = Victoria Land, Antarctica
| range = Royal Society Range
| coordinates = {{coord|-78.23333|162.66667|name=Radian Ridge|display=it}}
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Radian Ridge ({{coord|-78.23333|162.66667|name=Radian Ridge}}) is a ridge extending east from the scarp of the Royal Society Range, along the south side of Radian Glacier in Antarctica.
It was named in association with Radian Glacier.{{sfn|Radian Ridge AADC}}
Features
{{geogroup}}
=Lava Tongue Pass=
{{coord|-78.2333333|162.6833333}}
A prominent north-south gully at {{convert|1850|m}} high bisecting Radian Ridge.
Named descriptively by New Zealand Geographic Board (NZGB) (1994) following work in the area by a NZGS field party, 1977-78, for a lava flow that fills the pass.{{sfn|Lava Tongue Pass USGS}}
=Anne Hill=
{{coord|-78.2333333|162.7166667}}
The most prominent hill on Radian Ridge. It rises to {{convert|2,079|m}} high at the east side of Lava Tongue Pass.
Named after Anne C. Wright (later Anne Wright-Grassham), a geologist with the New Zealand Geological Survey field party in this area, 1977-78; geologist with United States Antarctic Research Program (United States ArmyRP) field parties, 1982-83, 1983-84, and 1985-86 seasons, with work at Ross Island, Minna Bluff, Mount Discovery, Mount Morning, and Mason Spur.{{sfn|Anne Hill USGS}}
=Boom Basin=
{{coord|-78.2333333|162.8}}
A small basin on the north side of Radian Ridge, immediately west of the confluence of Pipecleaner Glacier and Radian Glacier, Royal Society Range.
A loud explosive boom was heard by members of a NZGS field party working in the area on December 3, 1977.
They suggested the name.
The source of the noise remained a mystery.{{sfn|Boom Basin USGS}}
=Horseshoe Crater=
{{coord|-78.2333333|162.8833333}}
A volcanic crater at the confluence of Radian Glacier and Pipecleaner Glacier.
Named descriptively by New Zealand Geographic Board (NZGB) (1994) following work in the area by a NZGS field party, 1977-78, from the horseshoe shape of the crater.{{sfn|Horseshoe Crater USGS}}
References
{{reflist|25em}}
Sources
{{refbegin}}
- {{cite gnis2 |type=antarid |id=17583
|name=Anne Hill}}
- {{cite gnis2 |type=antarid |id=17064
|name=Boom Basin}}
- {{cite gnis2 |type=antarid |id=17230
|name=Horseshoe Crater}}
- {{cite gnis2 |type=antarid |id=17243
|name=Lava Tongue Pass}}
- {{citation |url=https://data.aad.gov.au/aadc/gaz/display_name.cfm?gaz_id=114191 |accessdate=2024-02-27
|title=Radian Ridge |publisher=AADC: Australian Antarctic Data Centre |ref={{harvid|Radian Ridge AADC}} }}
{{refend}}
{{Include-USGov |agency=United States Geological Survey}}