Vosburg - Lanceolate

Point Type:  Vosburg - Lanceolate        
Associated Date: 6000 - 4300 B.P.
Morphology:  Corner Notched

Length Point:        
Ave: [ 98 +/- 9 mm]  
Range: [ 66 to 115 mm] 
Example: [ 91 mm]

Width Point:         
Ave: [ 32 +/- 9 mm]  
Range: [ 20 to 50 mm] 
Example: [ 29 mm]

Point Ratio (Width / Length):  
Ave: [.33 +/- .02 ]

Length of Base:      
 (Shoulder to Base)
Ave: [ 10 +/- 3 mm]  
Range: [ 7 to 16 mm] 
Example: [ 8 mm]

Width of Base:       
 (Maximum)
Ave: [ 28 +/- 8 mm]  
Range: [ 20 to 44 mm] 
Example: [ 22 mm]

Depth of Notch:      
Ave: [5.2 +/- .06  mm] 

Base Length/Point Ratio:  
 (Length of Base  / Length Point)
Ave: [.11 +/- .03 ]

Base Width/Point Ratio:          
 (Width of Base  / Width Point)
Ave: [.87 +/- .12 ]
 
Base Ratio:        Ave: [.37 +/- .02 ] 		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: [.16 +/- .02 ]
 (Depth Notch 
   / Width Point)

Blade Ratio:       Ave: [2.8 +/-  .2 ] 		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: [3.7 +/-  .9 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: [ 81 +/-  5  o]
 (Angle of Shoulder from   
 Notch Center to Shoulder to Tip)

1993 - Tara Prindle