Mining. Also 9 fluc(c)an. [Of unknown origin; app. not Celtic.] a. A cross-course or transverse vein composed of clay. b. (See quot. 1869.)
1728. Nicholas, in Phil. Trans., XXXV. 403. The Load is frequently intercepted by the crossing of a Vein of Earth, or Stone . This transient Load is by the Miners termd a Flooking.
1807. Carne, ibid., XCVII. 293. In sinking the shaft a flookan, about 2 inches wide, was discovered, bearing a south-east course, which cut the lode at an angle of 45°; and heaved and disordered it.
1869. R. B. Smyth, Gold Fields of Victoria, 611. Flucan or FlookanA sort of clayey substance, often found against the walls of a quartz reef, and accompanying cross-spurs and slides.