Geol. Usually in pl. [F.] (See quot. 1865.)
1833. Lyell, Princ. Geol., III. 203. The faluns and associated strata are of slight thickness, not exceeding seventy feet.
1865. E. Page, Handbook of Geological Terms (ed. 2). Faluns, a French provincial term for the shelly Tertiary (Upper Miocene) strata of Touraine and the Loire, which resemble the Crag of Norfold and Suffolk.
