NEW ZEALAND GAZETTE, No. 86

19 JULY 2012

Descriptions

North Maria Ridge
33°48'S Latitude, 172°08'E Longitude. A ridge, which is one of the northern components of the Maria Ridge, trending north-west offshore from northern New Zealand on the continental shelf. Depicted on NZ 21; NZ 23; NZ 41; Three Kings Chart©, van der Linden, 1968; Three Kings Chart©, Mitchell & Eade, 1990.

Nukuhou Knoll
37°13.37'S Latitude, 177°14.15'E Longitude. An isolated conical seamount with an area of 31.50 sq kms, rising to 690m from a depth of 1000m, located at the southern end and on the south eastern side of Ngātoro Ridge, Bay of Plenty. Depicted on Bay of Plenty Chart©, Wright, 1989.

Okains Canyon
43°22'S Latitude, 173°57'E Longitude. A canyon with depths from 200m to approximately 800m, incised into the continental slope, east of Pegasus Bay, North Canterbury. Depicted on Pegasus Chart©, Herzer & Carter, 1983.

Pegasus Canyon
43°15.44'S Latitude, 173°37.67'E Longitude. A major canyon extending from a depth of 200m to a depth of 2000m, incised into the outer continental shelf and upper continental slope off northern Canterbury. Extends from 40km north-east of Banks Peninsula, north eastward to the southern end of the Hikurangi Trough, almost parallel with the northern Canterbury coast and about 50km offshore. Depicted on Krause, 1966; Pegasus Chart©, Cullen & Brodie, 1966; Bounty Chart©, Krause & Cullen, 1970; Pegasus Chart©, Herzer & Carter, 1983.

Puysegur Bank
46°30'S Latitude, 166°00'E Longitude. A flat-topped bank with a crest at 100m, extending south-west from the edge of the continental shelf off Fiordland, south western New Zealand, and lying at the northern limit of the Macquarie Ridge. Depicted on Brodie, 1964a; Resolution Chart©, van der Linden & Hayes, 1972; Lamarche & Lebrun, 2000; Dusky Chart©, Mitchell & Garlick, 2001.

Ranfurly Bank
37°35'S Latitude, 178°53'E Longitude. A bank rising from depths of approximately 130m to a minimum recorded depth of 25m, located on the outer continental shelf 17km east-north-east of East Cape. Depicted on NZ 22; NZ 23; NZ 26; NZ 54; NZ 55; NZ 223F; British Admiralty Chart, 1905; East Cape Chart©, Cullen, 1977; Cook Chart©, Baldwin & Lewis, 1991.

Rangatira Knoll
37°16.53'S Latitude, 176°52.57'E Longitude. An isolated, conical, oval-shaped knoll with an area of 42.40 sq kms, rising from a depth of 500m to 150m, located in the outer Bay of Plenty region. Depicted on Bay of Plenty Chart©, Pantin, et al., 1973; Bay of Plenty Chart©, Wright, 1989.

Resolution Ridge
46°10'S Latitude, 164°55'E Longitude. A large ridge trending north-east-south-west, rising from 4000–4500m deep to crest at 2500m deep, located at the foot of the continental slope, 100km west of Puysegur Point, Fiordland, and partly separated from the continental slope by the northern end of the Puysegur Trench. Depicted on NZ 24; Resolution Chart©, van der Linden & Hayes, 1972.

Ritchie Banks
39°37'S Latitude, 178°25'E Longitude. A group of banks, rising from depths greater than 900m to a minimum recorded depth of 247m, located on the middle part of the continental slope off Hawke’s Bay, and centred about 80km southeast of Mahia Peninsula. Depicted on Pantin, 1963; NZ 23; NZ 26; NZ 56; Mahia Chart©, Pantin, 1963; Cook Chart©, Baldwin & Lewis, 1991; Mahia Chart©, Arron & Lewis, 1991.

Ritchie Ridge
39°30.50'S Latitude, 178°24.51'E Longitude. A ridge lying east of the North and South Ritchie Troughs with a crest of 840m, and an almost direct north-south alignment extending from a knoll-like crest in the north to Ritchie Banks in the south on the Hawke’s Bay slope, North Island. Depicted on Mahia Chart©, Arron & Lewis, 1992.

South Madden Bank
40°38.40'S Latitude, 177°01'E Longitude. A bank rising from depths of 700m–2000m to a minimum recorded depth of 161m, separated from the North Madden Bank by the Madden Canyon. Located on the upper continental slope 38km offshore from southern Hawke’s Bay Land District. Depicted on NZ 23; NZ 26; NZ 56; Pantin, 1963; Turnagain Chart©, Pantin, 1963; Turnagain Chart©, Lewis, 1976; Turnagain Chart©, Garlick and Mitchell, 2002.

Star of Bengal Bank
32°30'S Latitude, 180°00'E Longitude. A bank rising from 2700m to 200m depth, located on the crest of the Kermadec Ridge about 103km south-south-west of l'Esperance Rock, the southernmost islet of the Kermadec Islands. Depicted on NZ 22; NZ 223F; NZ 14060; NZ 14061; NZ 605; Brodie & Hatherton, 1958.

Subantarctic Slope
52°30'S Latitude, 175°00'E Longitude. The continental slope that extends from the eastern end of the Chatham Rise, south-westwards for 1200km to the southern end of the Campbell Plateau. The south-eastern boundary of the New Zealand Plateau and part of the western boundary of the Southwest Pacific Basin. Depicted on NZ 28; NZ 29; NZ 224F; NZ 14600; Brodie, 1964a; Lawrence, 1967; NZ Region Chart©, Carter, 1980; NZ Region Chart©, CANZ, 1997.

Tasman Basin
40°48'S Latitude, 160°00'E Longitude. Located in the Tasman Sea. Depicted on NZ Region Chart©, CANZ, 1997.

Tataweka Canyon
35°28'S Latitude, 175°54'E Longitude. Incised into the outer continental shelf approximately 90km north-west of Great Barrier Island, it reaches depths of 1500m at its northernmost end. Depicted on Cuvier Chart©, Wright, 1999.