Table 1.

Explanation of structural element abbreviations and label key, modified after Gunnarsson et al. (1989), Jóhannesson (2011), Hjartarson & Sæmundsson (2014), Hopper et al. (2014) and Magnúsdóttir et al. (2015)

Abbreviation and label key
General features:Central NE Atlantic:
COBContinent–ocean boundaryJMMCJan Mayen microcontinentIBIceland Basin
SDRSeawards-dipping reflectorBRBuðli Ridge
Mid-oceanic ridges:EFBNJan Mayen East Flank Basins NorthGIFRCFaroe–Iceland–Greenland Ridge Complex
ÆRÆgir mid-oceanic ridgeEFBSJan Mayen East Flank Basins SouthGIRGreenland–Iceland Ridge
MRMohn's mid-oceanic ridgeHC/JMWIPHakarenna Channel/Jan Mayen West Igneous Province SouthHFRHúnaflóa Rift
KBRKolbeinsey mid-oceanic ridgeHRHögni RidgeICEIceland onshore
RRReykjanes mid-oceanic ridgeJMT/HTJan Mayen Trough/Hléssund TroughIFRIceland–Faroe Island Ridge
JMIJan Mayen Island SystemJMBJan Mayen BasinNEVZNortheast Volcanic Zone
Transfer systems and fracture zones:JMRNJan Mayen Ridge North
EJMFZEast Jan Mayen Fracture ZoneLYRLyngvi RidgeCentral Norway Margin:
IFFZIceland–Faroe Fracture ZoneSFB/JMBSSörlahryggur Flank Basin/Jan Mayen Basin SouthMØMAMøre Marginal High
MIRFTSMid-Iceland Rift Transfer SystemSHRSörlahryggur RidgeMØMBMøre Basin
SISZSouth Iceland Seismic ZoneWIPNJan Mayen West Igneous Province NorthVØMAVøring Marginal High
TFZTjörnes Fracture ZoneVØMBVøring Basin
WJMFZWest Jan Mayen Fracture ZoneSRCCCJan Mayen microcontinent–Southern Ridge Complex (SRC) – continental crust
Central East Greenland Margin:FRFáfnir RidgeFaroe Islands Atlantic Margin:
BKBlosseville KystOROtur RidgeFYRFugloy Ridge
JMLBJameson Land BasinFPFaroe Platform
KDKap Dalton outcrop siteSRCTCJan Mayen microcontinent–Southern Ridge Complex – transitional crustFSBFaroe–Shetland Basin
KBKap Brewster outcrop siteDRDreki Ridge
KgBKangerlussuaq BasinLRLangabrún Ridge
LVPLLiverpool Land HighORSOtur Ridge southern spur
ML FmMilne Land Formation outcrop siteTRTreitel Ridge
SDScoresby Sund
Trail ØNISNorth Iceland Shelf
IPIceland Plateau
IPRIceland Plateau Rift