NEW ZEALAND GAZETTE, No. 173

16 DECEMBER 2010

Descriptions

Endeavour Spur
52°00.00'S, 176°00.00'E; 55°30.00'S, 176°30.00'E. Subantarctic Slope. A N–S trending elevation extending from near the base of the Subantarctic Slope east of Campbell Island southwards for 500km into the Southwest Pacific Basin. Depicted on GEBCO 5.14.

Glacier Rise
67°42.00'S, 166°54.00'E. East of Balleny Islands, Ross Dependency. Depicted on GEBCO 5.18.

Hallett Ridge
71°00.00'S, 176°40.00'E; 71°30.00'S, 177°00.00'E. Ross Dependency. An undersea ridge that runs in a N–S trend between the Central and Adare Basins. Depicted on GEBCO 5.18.

Heirtzler Fracture Zone
63°30.00'S, 162°30.00'E. Ross Dependency. An undersea fracture zone. Depicted on SCAR #16689.

Hikurangi Trough
41°45.00'S, 177°20.00'E. East Coast, North Island. A NE–SW trending trough between the continental slope on the eastern side of the North Island and the Chatham Rise. Depicted on van der Linden, 1968 (Cook Chart); Lewis, 1976 (Turnagain Chart); Carter, 1980 (NZ Region Chart); CANZ, 1997 (NZ Region Chart).

Iselin Bank
71°45.00'S, 177°00.00'W. Ross Dependency. A submarine bank lying north of Pennell Bank in the Ross Sea, Ross Dependency. Depicted on SCAR #6950; NZ 14065; NZ 14900.

Iselin Trough
71°11.16'S, 169°51.90'W. Ross Dependency. A SW–NE trending trough that lies due east of the Iselin Bank and is named in association with the Iselin Bank. Depicted on GEBCO 5.14; Davey F. J., 2004, Ross Sea Bathymetry, 1:2,000,000, version 1.0 Institute of Geological & Nuclear Sciences geophysical map16.

Kaiwhata Bank
41°28.00'S, 175°53.00'W; 41°19.00'S, 176°16.00'W. Wairarapa shelf, North Island. A bank named in association with Kaiwhata River. Depicted on Pantin, 1963; Mitchell, 1988 (Palliser Chart); Baldwin & Lewis, 1991 (Cook Chart).

Lord Howe Rise
24°00.00'S, 161°30.00'E; 37°00.00'S, 166°00.00'E. Depicted on GEBCO 5.10.

Macquarie Ridge
47°00.00'S, 166°00.00'E; 59°20.00'S, 159°30.00'E. South-West Pacific. A ridge named in association with Macquarie Island. Depicted on NZ 28; NZ 224F; NZ 14065; Brodie & Dawson, 1965; Summerhayes, 1967 (Macquarie Chart); Summerhayes, 1967 (Auckland Chart); Lawrence, 1967 (Ch); Cullen, 1970 (Macquarie Chart); Carter, 1980 (NZ Region Chart); CANZ, 1997 (NZ Region Chart).

Nathaniel B. Palmer Seamount
69°55.00'S, 176°10.00'E. Ross Dependency. Conspicuous seamount north of Hallett Ridge. Depicted on GEBCO 5.18.

New Caledonia Trough
29°00.00'S, 162°40.00'E; 37°00.00'S, 170°00.00'E. NW New Zealand. A major bathymetric feature extending north-west from Taranaki, New Zealand, between the Challenger Plateau, Lord Howe Rise and the Norfolk Ridge. Name often interchanged with New Caledonia Basin. Depicted on Marshall, 1910; van der Linden, 1966; Carter, 1980 (NZ Region Chart); Baldwin & Lewis, 1991 (Cook Ch); CANZ, 1997 (NZ Region Chart).

Pacific-Antarctic Ridge
61°30.00'S, 161°00.00'E; 62°00.00'S, 160°00.00'W; 54°30.00'S, 130°00.00'W. Ross Dependency. The southern part of the Albatross Cordillera that extends from the Eltanin Fracture Zone to the Antarctic coast. Depicted on SCAR #10806.

Pitman Fracture Zone
58°00.00'S, 175°00.00'W; 67°42.00'S, 163°30.00'W; 71°00.00'S, 155°00.00'W. Ross Dependency. Depicted on SCAR #16741.

Pukaki Seachannel
48°05.40'S, 175°30.00'E. A canyon incised into the northern margin of the Campbell Plateau. Its head is at the eastern end of the Pukaki Rise and the western end of the Pukaki Saddle. Depicted on Krause and Cullen, 1970 (Bounty Chart).

Puysegur Trench
48°01.88'S, 164°28.82'E. SW South Island, Fiordland shelf. Trends NNE–SSW on the western side of the Macquarie Ridge near its northern end. Depicted on NZ 14600; NZ 14601; Lawrence, 1967 (Ch); Summerhayes, 1967 (Auckland Islands Chart); van der Linden, 1972 (Resolution Chart); Carter, 1980 (NZ Region Chart); CANZ, 1997 (NZ Region Chart).

Saint-Exupéry Guyot
62°28.00'S, 153°03.00'W. Ross Dependency.

Saunders Basin
76°50.00'S, 155°00.00'W. Ross Dependency. An undersea basin in the central Ross shelf named in association with Saunders Coast. Depicted on SCAR #12754.

Scholl Deep
31°56.00'S, 177°17.00'W. Kermadecs. A deep, N–S aligned approximately 2km long narrow depression in the central Kermadec Trench. The bottom of the feature is at 10,000m and rises to 8000m before the sides broaden and flatten out. Maximum depth: >10,000m. Depicted on Wright et al., 1997 (Esperance Chart).

South Norfolk Basin
32°00.00'S, 170°00.00'E. Northern New Zealand. A basin centred midway between North Cape and Norfolk Island. Bounded on the east by the Three Kings Ridge. Named in association with Norfolk Island. Depicted on CANZ, 1997 (NZ Region Chart); Doutch 1986; Kroenke et al., 1983.