Figure 12 -- A biface under static loading conditions. The red represents the loading time of 0.004 seconds. The blue is one cycle of free response (0.002481 seconds) of the core after the crack initiates. Notice the core immediately reverses its direction toward the at-rest-position at the beginning of the free response. This biface is 3 inches wide by 0.4286 inches thick and fixed at the edge opposite the platform.

These measurements yield a width-to-thickness ratio of 7.0. This is extremely thin, but not without precedence in the archaeological record. Some of the thinner Solutrean laurel leafs have width-to-thickness ratios even higher than 7.0.