Vestal

Point Type:  Vestal                              
Associated Date: 4200 - 3500 B.P.
Morphology:  Corner Notched

Length Point:        
Ave: [ 30 +/- 10 mm]  
Range: [ 17 to 48 mm] 
Example: [ 28 mm]

Width Point:         
Ave: [ 20 +/- 5  mm]  
Range: [ 12 to 32 mm] 
Example: [ 22 mm]

Point Ratio (Width / Length):  
Ave: [.69 +/- .08 ]

Length of Base:      
 (Shoulder to Base)
Ave: [ 8  +/-  2 mm]  
Range: [ 4  to 12 mm] 
Example: [ 8  mm]

Width of Base:       
 (Maximum)
Ave: [ 17 +/-  5 mm]  
Range: [ 7 to 27 mm] 
Example: [ 16 mm]

Depth of Notch:      
Ave: [3.8 +/- .02  mm] 

Base Length/Point Ratio:  
 (Length of Base  / Length Point)
Ave: [.26 +/- .04 ]

Base Width/Point Ratio:          
 (Width of Base  / Width Point)
Ave: [.81 +/- .06 ]
 
Base Ratio:        Ave: [.47 +/- .08 ] 		1. Short (<= 0.7)  
 (Base Length                               		2. Proportionate (> 0.7 & < 1.3)  
   / Base Width)                            		3. Long (>= 1.3)

Base Form:           1. Convex   2. Straight   3. Concave  
 (Subjective) 

Notch Ratio:       Ave: [.17 +/- .01 ]
 (Depth Notch 
   / Width Point)

Blade Ratio:       Ave: [1.1 +/-  .1 ] 		1. Lanceolate (>= 2.0 mm)
 ([Length Point                                     		2. Isosceles (< 2.0 & > 1.2 mm)
    - Length Base] / Width)                        		3. Equilateral (<= 1.2 mm)
   
Blade Curvature:   Ave: [.5  +/- .3  mm]    		1. Very Convex (>= 5 mm)
 (Cord height of curve                       		2. Convex (< 5 mm & >= 2 mm)
  from Shoulder to Tip)                      		3. Straight (< 2 mm & >= -2 mm)   
                                                   		4. Concave (< -2 mm)
                                                   		5. Mixed (< -2 mm & > 2 mm)
Shoulder Angle:    Ave: [ 75 +/- 11 o]
 (Angle of Shoulder from   
 Notch Center to Shoulder to Tip)

1993 - Tara Prindle