marmolada, crags, escarpments, plateaux, stratovolcano, couloir, mountain, nuptse, cirques, corrie, illimani, seracs, dhaulagiri, ridge, serac, promontory, hummocks, huascaran, precipices, buttes, highlands, timberline, terrane, volcanic crater, apennines, hogback, apennine, syrtis major, glacier, scree, altiplano, rock outcrop, icecap, popocatepetl, bernese alps, landform, outcroppings, selkirk mountains, tufa, teton range, snowfield, cols, makalu, gasherbrum, nyiragongo, sastrugi, icefield, slopes, kangchenjunga, eskers, cliffs, lhotse, tien shan, iztaccihuatl, aiguille, grossglockner, sangre de cristo mountains, metamorphic rock, rockface, tableland, limber pine, mount parnassus, lassen peak, sierra madre oriental, batholith, pamirs, himalayas, ligurian sea, muztagh ata, semidesert, zugspitze, dolerite, tatra mountains, outwash, montane, stalagmites, talus, knolls, snowcapped, carstensz, tarns, gavia, jungfrau, atlas mountains, moraine, stalactite, mountainside, sajama, karakoram range, icefall, gritstone, coire, caldera, albula, anorthosite, alps, karakoram, fumaroles, drumlin, glade, graben, volcanic rock, massifs, cordillera, landmass, plateau, highland, peninsula, escarpment, cliff, embankment, mound, outcrop, canyon, continent, foreland, geosyncline, mesa, cirque

chain, chain of mountains, mountain chain, mountain range, range, range of mountains

formation, geological formation, geology