Meeresboden 
ocean floor 
Kontinentalrand 
continental margin 
Kontinentalschelf 
continental shelf 
Guyot 
guyot 
Magma 
magma 
Tiefseeberg 
seamount 
Tiefseegraben 
trench 
vulkanische Insel 
volcanic island 
Inselkette 
island arc 
Tiefseehügel 
abyssal hill 
Meeresspiegel 
sea level 
ozeanischer Rücken 
mid-ocean ridge 
Kontinent 
continent 
unterseeischer Cañon 
submarine canyon 
Kontinentalhang 
continental slope 
Kontinentalfuß 
continental rise 
Tiefsee-Ebene 
abyssal plain 