Neville

Point Type:  Neville                     
Associated Date: 8000 - 7000 B.P.
Morphology:  Stemmed

Length Point:        
Ave: [ 48 +/- 14 mm]  
Range: [ 23 to 63 mm] 
Example: [ 50 mm]

Width Point:         
Ave: [ 25 +/- 3  mm]  
Range: [ 17 to 33 mm] 
Example: [ 24 mm]

Point Ratio (Width/Length):    
Ave: [.54 +/- .13 ] 

Length of Stem:      
 (Maximum)
Ave: [  9 +/-  1 mm]  
Range: [ 9  to 11 mm] 
Example: [ 11 mm]

Width of Stem:       
 (Maximum)
Ave: [ 12 +/- 2  mm]  
Range: [  9 to 14 mm] 
Example: [ 11 mm]
 
Stem Length/Point Ratio:  
 (Length of Stem  / Length Point)
Ave: [.20 +/- .03 ]

Stem Width/Point Ratio:          
 (Width of Stem  / Width Point)
Ave: [.49 +/- .05 ]
 
Stem Ratio:        Ave: [.77 +/- .08 ]         		1. Short (<= 0.7)  
 (Stem Length                                		2. Proportionate (> 0.7 & < 1.3)  
   / Stem Width)                            		3. Long (>= 1.3)

Stem Form (Subjective):  
                1. Contracting   2. Parallel   3. Expanding   4. Asymmetric
                    
Base Form (Subjective):  
                1. Convex                2. Straight            3. Concave  
                   4. Notch              5. Lobe                      6. Point
   
Blade Ratio:       Ave: [1.6 +/-  .1 ]         		1. Lanceolate (>= 2.0 mm)
 ([Length Point                                     		2. Isosceles (< 2.0 & > 1.2 mm)
    - Length Stem] / Width)                        	3. Equilateral (<= 1.2 mm)
   
Blade Curvature:   Ave: [1.4 +/-  .6 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: [ 86 +/-  6  o]
 (Angle of Shoulder from  
 Tip to Shoulder to Shoulder Juncture)

Shoulder Juncture (Subjective):   1. Curve     2. Angle    3. Straight


1993 - Tara Prindle