Clovis

Point Type:  Clovis                              
Associated Date: 12000 - 10000 B.P.
Morphology:  Triangular / Lanceolate


Length Point:   
Ave: [ 70 +/- 27 mm]  
Range: [ 25 to 127 mm] 
Example: [ 85 mm]

Width Point:    
Ave: [ 27 +/- 5  mm]  
Range: [  7 to 60 mm] 
Example: [ 27 mm]

Point Ratio:    
 (Point Width 
    / Point Length)
Ave: [.42 +/- .10]  

Base Concavity:    
Ave: [ - 5.2 +/- 1.3 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: [.07 +/- .03 ] 
 (Concavity 
    / Length Point)

Blade Ratio:       Ave: [2.5 +/- .6  ]		1. Lanceolate (>= 2.0 mm)
 (Length Point				2. Isosceles (< 2.0 & > 1.2 mm)
    / Width Point)				3. Equilateral (<= 1.2 mm)
   

Blade Curvature:   Ave: [6.4 +/- .6  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: [ 45 +/-  7  o]
 (Angle of Base from 
  Center of Base to Corner of Base to Tip)


© 1993 - Tara Prindle