rocks, lava, magma, lavas, rock, magmas, columns, flows, composition, volcanism, andesite, crust, andesites, glass, layer, material, hornblende, cliffs, eruptions, formation, dikes, pillars, volcanoes, melts, plateau, flow, melt, soils, liquid, hills, stone, glasses, mountains, cones, stones, formations, compositions, liquids, achondrites, tuff, substratum, intrusions, magmatism, tuffs, sheets, mass, masses, soil, fragments, boulders, layers, type, basement, volcanics, materials, series, blocks, volcano, trap, cliff, plains, islands, strata, prisms, cone, dike, ash, komatiites, origin, ridge, scoria, floor, plateaus, sills, breccia, eruption, beds, debris, walls, plateaux, meteorites, hill, mountain, ridges, column, porphyry, texture, fields, project

general, dark, normal, texture, alkaline, more, most, extensive, early, numerous