Marine Gazetteer Placedetails

Status Proposed standard Proposed standard
Language Name Name source
EnglishPorto do Mangue CanyonIHO-IOC GEBCO Gazetteer of Undersea Feature Names (2018-06-25 - current version)   
PlaceType Canyon 
Latitude 4° 34' 26.9" S (-4.57413°)  
Longitude 36° 42' 41.8" W (-36.71161°)  
Min. Lat 4° 38' 15.6" S (-4.6377°)  
Min. Long 36° 44' 3.6" W (-36.7343°)  
Max. Lat 4° 30' 34.8" S (-4.5097°)  
Max. Long 36° 41' 35.9" W (-36.6933°)  
Source IHO-IOC GEBCO Gazetteer of Undersea Feature Names (2018-06-25 - current version), available online at
Notes GEBCO: discoverer and year of discovery: Discoverer: Brazilian survey vessel "Sirius". Year of discovery: 2011. History: Named from the nearby coastal city of Porto do Mangue, in the Brazilian State of Rio Grande do Norte. Porto is the Portuguese for harbour and mangue that for mangrove.    
GEBCO: associated meeting, proposer and year of proposal: Associated meeting: SCUFN-30. Proposer: Helenice Vital, Geology and Geophysics Laboratory of Rio Grande do Norte Federal University, Brazil. History: 2017.    
Additional information: 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): 115. Maximum depth (m): 1260. Total relief (m): 1145. Dimension: 0.6 km to 1.9 km wide x10.8 km long.    
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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