How to: Make a Stone Tool: Knapping a Preform Bi-Face
Share
Video
Walking through making a bi-face from a spall of obsidian. A bi-face is a pre-form to making specific stone tools such as spear tips, hand axes, and arrow heads.
[ARTICLE] Stone Tool Basics: http://www.theurbanabo.com/articles.php?aid=11
Be sure to heck out Practical Primitive and Paleo-Man Jim
-----------------------------
Vocabulary:
-----------------------------
Hertzien cone - the force from a strike that moves out from the point of impact in a cone hsape that is roughly 100 degrees wide
Blade-Core - parent material that is used to create flake blades
Cobble - parent material or a lump of stone
Flint Knapping - working stone to a desired shape through percussion or pressure flaking
Platform - edges or a surface that is less than 90=degrees used to break of flakes from a core
Spall - a flake from parent material, core, or cobble
Percussion flaking - using a hard object to strike softer material to create flakes or shape a spall
Hammerstone - dense rock or stone used to strike softer material to create flakes or shape a spall
Billet - a hammer or mallet shaped tool used to strike softer stone material to create flakes or shape a spall
Haft - to tie or fit onto a handle usually made of wood
SORRY - There are no steps for this How-To. Please check back later. Or drop me a line at
TheUrbanAbo@gmail.com to let me know you wanna see this one fleshed out.
