the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > secondary or Mesozoic > Jurassic (15)
Usually with capital initial. Of, relating to, or designating the Oolite series.
Of or pertaining to the Jura mountains: applied to geological formations belonging to the period between the Triassic and the Cretaceous…
Pertaining to the lias formation.