✨ Undersea Feature Names
NEW ZEALAND GAZETTE, No. 58 — 28 MAY 2015
Schedule
Altered, Approved, Discontinued and Adopted Undersea Feature Names (26)
| Undersea Feature Name | Undersea Feature Type | Description |
|---|---|---|
| Adieu Basin | Basin | 45°24.25’S Latitude, 166°49.90’E Longitude. Depicted on Dagg Sound Chart©, Irwin & Main, 1980. Approved as official. |
| Andes Knolls | Knoll | 44°10’S Latitude, 174°33’W Longitude. A cluster of volcanic knolls and hills located approximately 142km due east of Chatham Islands on Chatham Rise. Alteration from Andes Seamount Complex, which was depicted on Chatham Rise Chart©, Mackay et al, 2005. |
| Betty Guyot | Guyot | 29°20’S Latitude, 174°00’E Longitude. A guyot type seamount that rises from a depth of about 1800m to a minimum depth of less than 500m, located approximately 570km north-northeast of North Cape, at the northern end of Three Kings Ridge. Depicted on Bathymetry of the Southwest Pacific Chart©, Menard et al., 1968. Adopted as official. |
| Bounty Ridge | Ridge | 47°30’S Latitude, 177°00’E Longitude. An undersea ridge that extends west from Bounty Islands to Pūkākī Seachannel on Bounty Plateau. The crest ranges from 700m to 1000m deep. Depicted on Bounty Chart©, Krause and Cullen, 1970. Adopted as official. |
| Broughton Gap | Gap | 42°36.16’S Latitude, 172°32.52’W Longitude (corrected from erroneous longitude). A narrow break at the eastern extreme of Chatham Rise, approximately 400km northeast of Chatham Islands. Depicted on Chatham Chart©, Cullen, 1969. Adopted as official. |
| Calyptogena Bank | Bank | 39°28.08’S Latitude, 178°24.46’E Longitude. A significant bank on Ritchie Ridge located approximately 50km southeast of Mahia Peninsula. It rises from a depth of 950m to 709m and has an area of 7.30km². Depicted on Mahia Chart©, Arron and Lewis, 1992. Adopted as official. |
| Campbell Channel | Seachannel | 47°10.38’S Latitude, 173°36.43’E Longitude. A tributary of Bounty Channel incised into the northern slope of Campbell Plateau. Extends from the northern flank of the Pūkākī Bank at a depth of 1000m, to Bounty Channel at a depth of 2300m. Depicted on Bounty Chart©, Krause & Cullen, 1970. Adopted as official. |
| Cavalli Valleys | Sea Valley | 34°50’S Latitude, 174°10’E Longitude. Several northeast-southwest trending valleys extending from 200m to at least 800m deep, located on Northland Plateau, approximately 50km northeast of Kerikeri. Alteration from Cavalli Canyons, which was depicted on Poor Knights Chart©, Eade, 1971. |
| Dolphin Spur | Spur | 38°15’S Latitude, 165°00’E Longitude. A southwest trending spur east of Challenger Plateau separated from the plateau by Bellona Trough. It crests in the north at 1250m, in the centre to 1000m, and at its southern end to 1750m. Depicted on Chart NZ 24. Adopted as official. |
| Graveyard Knolls | Knoll | 42°45’S Latitude, 179°59’W Longitude. A cluster of volcanic knolls and hills located on Chatham Rise, approximately 270km northwest of Chatham Islands. Alteration from Graveyard Seamount Complex, which was depicted on Chatham Rise Chart©, Mackay et al, 2005. |
| Herekino Bank | Bank | 35°14’S Latitude, 172°27.46’E Longitude. A small bank approximately 60km west of Herekino Harbour entrance, to the south of Ninety Mile Beach and north of Hokianga Harbour. Crest is at a depth of 650m. Depicted on Hokianga Chart©, Irwin & Eade, 1984. Adopted as official. |
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NZ Gazette 2015, No 58
✨ LLM interpretation of page content
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Notice of Decisions to Alter, Approve, Discontinue and Adopt Undersea Feature Names
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🗺️ Lands, Settlement & Survey28 May 2015
Undersea Feature Names, Geographic Board, New Zealand