carboniferous Definition

carboniferous period, cretaceous, paleocene, ordovician, neogene, paleogene, devonian, eocene, permian period, precambrian, silurian, pliocene, mesozoic era, cenozoic era, archaean, phanerozoic, campanian, metamorphic rock, depositional, turonian, igneous rock, sandstone, palaeo, anhydrite, evaporite, semidesert, palaeolithic, claystone, devonian period, detrital, outwash, anorthosite, upper carboniferous, mesolithic, paleozoic era, orogenic, jurassic period, stromatolite, dolomites, middle paleolithic, cambrian period, hummocks, paleozoic, midden, sarmatian, fossilisation, eocene epoch, eclogite, phyllosilicate, oligocene epoch, crinoids, iguanodon, conodonts, kyanite, hadean, microfossil, loess, palaeontological, tumulus, coprolite, subcarboniferous, massifs, eolian, calcic, ochres, ironstone, craton, dolmen, ammonite, glauconite, noachian, triassic period, tufa, ostracods, palaeozoic, gondwanaland, laurasia, yellow ocher, brachiopods, geochronology, foreland, cretaceous period, halite, lavas, pyrites, neolithic, substrata, relict, upper paleolithic, nephrite, colluvium, miocene epoch, overthrust, lithic, pleistocene epoch, fossae, clayey, magmas, anticlines, faunas,