geochronology geochronológia 3 [vynechat] Jura period 1 [vynechat] chronostratigrafia 1 [vynechat] chronostratigraphy 1 [vynechat] cretaceous period 1 [vynechat] fossils 1 [vynechat] fosílie 1 [vynechat] geological history of the Earth 1 [vynechat] geological research 1 [vynechat] geologický výskum 1 [vynechat] geologický vývoj Zeme 1 [vynechat] jura 1 [vynechat] krieda 1 [vynechat] mineral mining 1 [vynechat] minerals 1 [vynechat] minerály 1 [vynechat] mountain range 1 [vynechat] paleobiology 1 [vynechat] paleobiológia 1 [vynechat] paleogeografia 1 [vynechat] paleogeography 1 [vynechat] pieskovce 1 [vynechat] pohoria 1 [vynechat] sandstones 1 [vynechat] trias 1 [vynechat] triassic 1 [vynechat] ťažba nerastných surovín 1 [vynechat]