NEW ZEALAND GAZETTE

No. 48

Pōnui Nunatak

77°35’S, 169°01’E. A nunatak located 0.97 kilometres south-east of Slattery Peak and 9.01 kilometres south-west of The Knoll in south-east Ross Island. The feature rises to 320 metres near the juncture of the island and Ross Ice Shelf. Pōnui means wind that comes from the south.

Kaminuma Bluff

77°36’S, 168°57’E. A bold ice-covered bluff that rises to over 200 metres near the shore in south-east Ross Island. The bluff is midway between Cape Mackay and Cape Crozier.

Warren Ridge

77°28’S, 169°05’E. A south-west/north-east ridge 3.22 kilometres long on the north slope of Kyle Hills, Ross Island. The ridge rises to approximately 1100 metres at the south-west end and culminates in Dibble Peak, 1.61 kilometres north of Ainley Peak.

Dibble Peak

77°29’S, 169°03’E. A peak 3.70 kilometres south-west of Post Office Hill in Kyle Hills, Ross Island. The peak rises to approximately 1100 metres and marks the highest and south-western-most point of Warren Ridge.

Tarakākā Peak

77°30’S, 169°09’E. A peak 2.09 kilometres east north-east of Ainley Peak in the Kyle Hills, Ross Island. The feature rises to approximately 700 metres. Tarakākā means south-west wind.

Gamble Cone

77°28’S, 169°14’E. A cone 0.97 kilometres south south-east of Post Office Hill in the Kyle Hills, Ross Island. The feature rises to approximately 400 metres.

Mūmū Nunatak

77°27’S, 169°04’E. A nunatak in the north part of Kyle Hills, Ross Island. The feature is 3.22 kilometres west south-west of Towle Point and 0.97 kilometres inland from steep cliffs that form the north-east edge of the island. The name Mūmū meaning boisterous wind.

Palais Bluff

77°19’S, 166°33’E. An ice-free coastal bluff rising to over 400 metres between the terminus of Sheathbill Glacier and Quaternary Icefall in north-west Ross Island. The bluff overlooks Wohlschlag Bay.

Dufek Head

77°37’S, 167°42’E. An ice-covered headland 7.08 kilometres north-east of Tyree Head in south Ross Island. The headland rises to 620 metres the east side of the terminus of Aurora Glacier.

Scanniello Peak

77°31’S, 168°49’E. A peak which rises to 2200 metres and marks the highest and south-western-most point of Tekapo Ridge in Kyle Hills, Ross Island.

Chuan Peak

77°29’S, 168°21’E. A peak approximately 2200 metres, located 1.61 kilometres north-east of Barker Peak in the south part of Giggenbach Ridge, Ross Island.

Kyle Hills

77°30’S, 169°02’E. A prominent group of volcanic cones, hills, ridges and peaks that occupy the east part of Ross Island between Mount Terror and Cape Crozier. The hills extend east-west for 12.87 kilometres, rising from sea level at Cape Crozier to approximately 2600 metres in Mount McIntosh at the west end of the group. Local relief of features is on the order of 200 metres.

Mount Erebus Summit Area—Existing Names

Helo Cliffs

77°30’S, 167°09’E. Prominent cliffs at approximately 3525 metres on the north rim of the summit caldera of Mount Erebus, Ross Island.

Nausea Knob

77°31’S, 167°09’E. A prominent outcropping of jumbled rocks, 3633 metres, formed as a lava flow on the north-west upper slope of the active cone of Mount Erebus, Ross Island.

Seismic Bluff

77°32’S, 167°05’E. Steep bluff at approximately 3470 metres on the south-west rim of the summit caldera of Mount Erebus, Ross Island.

Crystal Slope

77°32’S, 167°09’E. A western slope (3700 metres) between Camp Slope and Robot Gully, leading down from the summit crater rim of Mount Erebus, Ross Island.

Main Crater

77°32’S, 167°10’E. The volcanic feature that rises to approximately 3750 metres and forms the primary summit crater of Mount Erebus on Ross Island.

Inner Crater

77°32’S, 167°10’E. The volcanic feature that embraces the crater within the floor of Main Crater, at the summit of Mount Erebus, Ross Island. Inner Crater contains an active anorthoclase-phonolite lava lake.

Side Crater

77°32’S, 167°09’E. A nearly circular crater (approximately 3700 metres) situated at the summit of Mount Erebus on the south-west crater rim.

Western Crater

77°32’S, 167°07’E. A small circular crater at 3561 metres on the western slope of the summit of Mount Erebus, Ross Island.

Robot Gully

77°31’S, 167°09’E. A gully at approximately 3675 metres on the north-west side of the summit crater of Mount Erebus, Ross Island.

Tramway Ridge

77°31’S, 167°06’E. A ridge that rises to approximately 3450 metres in the north-west part of the summit caldera of Mount Erebus, Ross Island. The ridge is formed by the levees (banks on the side) of a young lava flow.

Ice Tower Ridge

77°32’S, 167°06’E. A ridge at approximately 3540 metres that descends the south-west slope of the summit crater of Mount Erebus, Ross Island. The ridge is defined by a series of fumarolic ice towers.

Camp Slope

77°32’S, 167°08’E. A concave slope (approximately 3650 metres) just south of Crystal Slope on the west side of the summit cone of Mount Erebus, Ross Island. The feature is the site of a slump which has occurred off the crater rim.

Ross Island—Existing Names

Half Moon Crater

77°48’S, 166°45’E. A crater 0.80 kilometres south-west of Castle Rock on Hut Point Peninsula, Ross Island.

Boulder Cones

77°48’S, 166°42’E. A descriptive name for cones 1.45 kilometres south-west of Castle Rock on Hut Point Peninsula, Ross Island.

Twin Crater

77°50’S, 166°41’E. A crater with twin nested cones that rises behind McMurdo Station and 0.80 kilometres west of Crater Hill on Hut Point Peninsula, Ross Island. Replaces Middle Crater.