syrtis major, subaqueous, subglacial, erosional, chemosynthetic, oligotrophic, evaporite, jovian, palaeo, planktonic, subpolar, oceanic, hummocky, asthenosphere, sedimented, fathomless, coralline, carboniferous, ferruginous, biogeographical, lacustrine, altitudinal, cenozoic, accretionary, phanerozoic, petroliferous, amundsen sea, calcic, lobate, aeolian, illimitable, mantled, gorgonian, pathless, biogeochemical, lapilli, depthless, phyllosilicate, silicic, neogene, rubbly, galactic equator, snailfish, circumstellar, anticyclonic, pillow lava, anorthosite, hydrologic cycle, shoreward, phreatic, dextral, cumulus cloud, spectrometric, hadean, molluscan, crustal plate, azimuthal, basaltic, weddell sea, teleost fish, noachian, subantarctic, filamentary, eclogite, planktonic algae, stygian, metamorphic rock, unfathomed, oort cloud, fluvial, dacitic, stony coral, subducting, watery, antarctic, amphibolite, lowermost, cragged, cavelike, caudal fin, equatorial, lateritic, meridional, chthonic, latitudinal, quaternary period, pyroclastic, bellingshausen sea, geosphere, geomorphic, sunward, subaquatic, granitic, diffusive, desiccating, upflow, loess, rhizosphere, sinkage, turonian, bathymetric, cirrus cloud, neritic, littoral, bathyal, nearshore, subtidal, pelagic, brackish, estuarine, intertidal, inshore, lagoonal, sublittoral, marine, shallower, basinal, boreal, fluviatile

bathyal district, bathyal zone, continental slope

abysmal, deep