History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c10.s1.t6.23

v1.c10.s1.t6.23

7. *Levallois Core:* The core of this group are also named ‘Tortoise core’. The centrally directed preparation scars form a hump in the centre which resembles the shape of the turtle back. The striking platform is generally prepared at one of the part of the periphery of the core at nearly 90 angle to the dorsal face (Fig.8).