(UP- 5.)
1845. Browning, Times Revenges, 36. Some creature to be down-torn, Upthrust and outward-borne.
1873. Longf., Wayside Inn, III. Poets T., Interl., 40. Then flash of brazen armour bright, and spears up-thrust.
1890. Q. Jrnl. Geol. Soc., May, 216. An upthrust portion of the old crystalline floor.