Beekman

Point Type:  Beekman                     
Associated Date: 4400 - 4200 B.P.
Morphology:  Triangular / Lanceolate


Length Point:   
Ave: [ 25 +/- 7  mm]  
Range: [ 20 to 40 mm] 
Example: [ 26 mm]

Width Point:    
Ave: [ 20 +/- 4  mm]  
Range: [ 16 to 36 mm] 
Example: [ 21 mm]

Point Ratio:    
 (Point Width 
    / Point Length)
Ave: [.80 +/- .2 ]  

Base Concavity:    
Ave: [ - .5 +/- .5 mm]  

Distal Base Form:		1. Convex ( >= 1 mm)
			2. Straight (< 1 mm & > -1 mm)   
			3. Concave (<= -1 mm)

Lateral Base Form (Subjective): 1. Contracting  2. Parallel     3. Expanding  

Other Basal Traits (Subjective):        1. None              2. Ears              3. Flutes  

Base Ratio:        Ave: [.04 +/- .02 ] 
 (Concavity 
    / Length Point)

Blade Ratio:       Ave: [1.3 +/- .5  ]		1. Lanceolate (>= 2.0 mm)
 (Length Point				2. Isosceles (< 2.0 & > 1.2 mm)
    / Width Point)				3. Equilateral (<= 1.2 mm)
   

Blade Curvature:   Ave: [1.9 +/- .5  mm]		1. Very Convex (>= 5 mm)
 (Cord height of curve			2. Convex (< 5 mm & >= 2 mm)
  from corner of Base to Tip)			3. Straight (< 2 mm & > -2 mm)   
					4. Concave (<= -2 mm)
					5. Mixed (< 2 mm & > 2 mm)

Base Angle:        Ave: [ 64 +/- 10  o]
 (Angle of Base from 
  Center of Base to Corner of Base to Tip)


1993 - Tara Prindle