Marine Gazetteer Placedetails

Status Proposed standard Proposed standard
Language Name Name source
EnglishMacau CanyonIHO-IOC GEBCO Gazetteer of Undersea Feature Names   
PlaceType Canyon(s) 
Latitude 4° 36' 23.9" S (-4.60665°)  
Longitude 36° 40' 45.3" W (-36.67925°)  
Min. Lat 4° 39' 25.6" S (-4.6571°)  
Min. Long 36° 41' 45.6" W (-36.696°)  
Max. Lat 4° 33' 30.7" S (-4.5585°)  
Max. Long 36° 39' 42.3" W (-36.6618°)  
Source IHO-IOC GEBCO Gazetteer of Undersea Feature Names, available online at
Notes GEBCO: discoverer and year of discovery (en): Discoverer: Brazilian survey vessel "Sirius". Year of discovery: 2011. History: Named from the nearby coastal city of Macau, in the Brazilian State of Rio Grande do Norte. The term Macau originates from the Chinese "A-ma-ngao" which means shelter or port.    
GEBCO: associated meeting, proposer and year of proposal (en): Associated meeting: SCUFN-30. Proposer: Helenice Vital, Geology and Geophysics Laboratory of Rio Grande do Norte Federal University, Brazil. History: 2017.    
Additional information (en): This feature has a steepness of 25 to 35°. The name first appeared in 2015 in a scientific paper from Almeida, N., Vital, H., and Gomes, M.: "Morphology of submarine canyons along the continental margin of the Potiguar Basin, NE Brazil". Minimum depth (m): 120. Maximum depth (m): 1310. Total relief (m): 1190. Dimension: 1.3 km to 3.9 km width x 13 km long    
ACUF unique id (UFI) (en): 15175461    
Coordinates in ACUF (en): Latitude: -4.608445; Longitude: -36.676022    
Part of  South Atlantic Ocean (IHO Sea Area)  [view hierarchy]   
Edit history Last edited on 2018-09-13 16:53:11 by Lonneville Britt
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