volcanic rock Definition

metamorphic rock, igneous rock, sedimentary rock, sandstone, limestone, quartzite, volcanic, igneous, lava, outcrop, chert, schist, calcite, andesite, dolerite, mudstone, greywacke, magma, feldspar, diabase, peridotite, basalt, volcanic crater, pumice, rocks, granite, calcareous, loess, stratovolcano, basanite, olivine, tufa, lateritic, pegmatitic, caldera, outwash, crater, claystone, quarried, boulders, concretions, phaneritic, stromatolite, hummocks, dacitic, azurite, syrtis major, tephra, scoria, argillite, anorthosite, rhyolitic, pyroclastic, obsidian, anhydrite, dolomites, melaphyre, chalcedony, gneissoid, eluvial, lithic, silica, ejecta, tachylyte, outcroppings, hornblende, goethite, gneiss, unweathered, pyroxene, feldspathoid, felstone, escarpments, colluvial, massifs, miascite, spherules, amphibolite, realgar, stratiform, sediments, geologically, psammite, carnotite, asthenosphere, dacite, erosional, lithosphere, landforms, chrysocolla, pyritic, volcanoes, cliffs, jarosite, stalactite, fumaroles, lobate, subaqueous, talus, silicic,