NEW ZEALAND GAZETTE, No. 58 — 28 MAY 2015

Hikunui Seavalley

Valley
36°31’07’’S Latitude, 176°59’E Longitude. A northeast-southwest aligned valley between a group of knolls to the north, and Hikurangi Ridge to the south. Its floor can be as deep as 2450m at its northern end. Depicted on Cuvier Chart©, Wright, 1989.
Adopted as official.

Hokianga Terrace

Terrace
35°42.35’S Latitude, 172°57.08’E Longitude. A terrace that crests at 350m, located approximately 35km southwest of the entrance to Hokianga Harbour. Depicted on Hokianga Chart©, Irwin & Eade, 1984.
Adopted as official.

Iselin Seamount

Seamount
70°45’S Latitude, 178°15’W Longitude. Located in the Ross Dependency, approximately 385km east-northeast of Cape Adare. Depicted on Chart NZ 14065.
Adopted as official.

Knights Seavalley

Sea Valley
34°47.10’S Latitude, 175°09.25’E Longitude. A northeast-southwest sloping valley as shallow as 1000–1800m, located on the Northland Plateau approximately 80km northeast of Cape Brett. Depicted on Poor Knights Chart©, Mitchell, 1995.
Adopted as official.

Knights Terrace

Terrace
35°00.05’S Latitude, 175°08.21’E Longitude. A flat area with a depth of about 600m, located on the continental slope 60km northeast of Poor Knights Islands. Depicted on Poor Knights Chart©, Mitchell, 1995.
Adopted as official.

Kupe Abyssal Plain

Abyssal Plain
31°00’S Latitude, 176°30’E Longitude. A large expanse in the southern part of South Fiji Basin sloping gently towards the north with a depth of 4000–4300m. Recorded in at least two publicly available scientific journals published in 1975.
Adopted as official.

Lavaud Sea Valleys

Sea Valley
44°35’S Latitude, 173°55’E Longitude. Located approximately 100km southeast of Banks Peninsula. Reaches depths of 1000m on the outer continental slope. Depicted on Banks Chart©, Herzer, 1977.
Adopted as official.

Lottin Ridge

Ridge
37°20.93’S Latitude, 178°17.57’E Longitude. Depicted on East Cape Chart©, Cullen, 1977. Recent bathymetric surveys show that the feature does not exist.
No longer a recorded undersea feature name, and so is Discontinued.

Madden Channel

Seachannel
40°38’36’’S Latitude, 177°19’36’’E Longitude. The gentle-sided lower part of Madden Canyon that falls as deep as 2000m. Located approximately 60km east southeast of Cape Turnagain. Depicted on Turnagain Chart©, Garlick, 2002.
Adopted as official.

Maria Ridge

Ridge
34°10’S Latitude, 172°05’E Longitude. Depicted on Three Kings Chart©, van der Linden, 1968 as South Maria Ridge or North Maria Ridge, which are official undersea feature names.
No longer a recorded undersea feature name, and so is Discontinued.

Mayor Channel

Seachannel
37°04’19.8’’S Latitude, 176°32’57.6’’E Longitude. A northeast trending channel northeast of Mayor Island (Tuhua) in outer Bay of Plenty. Reaches a depth of 1200m at its northern end, and shallows to 950m at the southern end. Depicted on Bay of Plenty Chart©, Wright, 1989.
Adopted as official.

Monowai Spur

Spur
37°07.53’S Latitude, 162°59.54’E Longitude. A rise on the seafloor that reaches a depth of 2500m, located adjacent to, and south of, Monowai Sea Valley, approximately 1000km due west of Te Ika-a-Māui or North Island. Depicted on Bellona Chart©, Eade & van der Linden, 1977.
Adopted as official.

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