Snyders

Point Type:  Snyders                     
Associated Date: 2700 - 1200 B.P.
Morphology:  Corner Notched


Length Point:        
Ave: [ 80 +/- 15 mm]  
Range: [ 50 to 150 mm] 
Example: [ 104 mm]

Width Point:         
Ave: [ 55 +/- 5 mm]  
Range: [ 40 to 90 mm] 
Example: [ 50 mm]

Point Ratio
 (Width / Length):  
Ave: [.60 +/- .10 ]

Length of Base:      
 (Shoulder to Base)
Ave: [ 19 +/-  1 mm]  
Range: [ 15 to 30 mm] 
Example: [ 17 mm]

Width of Base:       
 (Maximum)
Ave: [ 40 +/-  6 mm]  
Range: [ 28 to 55 mm] Example: [ 40 mm]

Depth of Notch:      
Ave: [9.3 +/- 2.2  mm] 

Base Length/Point Ratio:  
 (Length of Base  / Length Point)
Ave: [.19 +/- .02 ]

Base Width/Point Ratio:          
 (Width of Base  / Width Point)
Ave: [.73 +/- .07 ]
 
Base Ratio:        Ave: [.47 +/-  .01]  		1. Short (<= 0.7)  
 (Base Length                                		2. Proportionate (> 0.7 &  
   / Base Width)                            		3. Long (>= 1.3)   < 1.3)

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

Notch Ratio:       Ave: [.17 +/- .02 ]
 (Depth Notch 
   / Width Point)

Blade Ratio:       Ave: [1.5 +/-  .3 ] 		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: [11.3 +/- 1.0 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: [ 78 +/- 7 o]
 (Angle of Shoulder from   
 Notch Center to Shoulder to Tip)

1993 - Tara Prindle