glacial boulder Definition

metamorphic rock, esker, hummock, rock outcrop, hogback, iguanodon, outcropping, stromatolite, lapilli, pegmatitic, tufa, limber pine, hillfort, dolerite, embayment, pallasite, hemlock tree, sauropod dinosaur, scoria, dolomites, syrtis major, embanked, pelite, tumulus, phosphorite, drumlin, trackway, halite, chalcedonic, allanite, horned dinosaur, stalactite, harney peak, outwash, chestnut oak, brown creeper, boulder, lateritic, lepidolite, eclogite, hornblende, micaceous, rubbly, coquina, argillaceous, alkalic, ankylosaur, unclimbable, diabase, decalcified, detrital, gneissic, postholes, ferruginous, siderite, mud dauber, heronry, subaqueous, palaeocene, carboniferous period, dunite, covellite, trestle bridge, pelitic, aplite, roadbeds, tadpole shrimp, chrysocolla, cragged, syncline, dolmen, sandstone, zechstein, lobate, colluvial, ichthyosaur, haematite, stratovolcano, carboniferous, stibnite, phyllosilicate, claystone, unweathered, argentiferous, fossilised, arbor vitae, cherty, microfossil, paleocene, graben, turtleback, ironwood tree, azurite, tertiary period, schistose, edmontosaurus, thimbleberry, lithic, douglas fir, headrace,