Color: Basalt ranges from black to gray

Texture: Fine grain

Luster: Dull and flat

Silica Fabrics / Fossils: 45 to 53% silica, no fossils

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Basalt is formed by volcanic activity and can be found throughout the western North America.  Projectile points made from Basalt can be found throughout this are.  However, Basalt was most commonly used in Arizona and into New Mexico, southern Utah and southern Nevada.  The second highest concentration is Oregon, Washington, British Columbia, and into Alaska