Steubenville

Point Type:  Steubenville                        
Associated Date: 2700 - 2000 B.P.
Morphology:  Stemmed

Length Point:        
Ave: [ 59 +/- 11 mm]  
Range: [ 47 to 72 mm] 
Example: [ 61 mm]

Width Point:         
Ave: [ 31 +/-  3 mm]  
Range: [ 31 to 38 mm] 
Example: [ 30 mm]

Point Ratio (Width/Length):    
Ave: [.55 +/- .11 ] 

Length of Stem:      
 (Maximum)
Ave: [ 19 +/- 3  mm]  
Range: [ 14 to 22 mm] 
Example: [ 21 mm]

Width of Stem:       
 (Maximum)
Ave: [ 26 +/- 2  mm]  
Range: [ 24 to 29 mm] 
Example: [ 24 mm]
 
Stem Length/Point Ratio:  
 (Length of Stem  / Length Point)
Ave: [.33 +/- .09 ]

Stem Width/Point Ratio:          
Ave: [.84 +/- .08 ]
 (Width of Stem  / Width Point)
 
Stem Ratio:        Ave: [.72 +/- .12 ]         		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: [1.3 +/-  .4 ]              	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: [3.8 +/- 1.5 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: [124 +/-  12 o]
 (Angle of Shoulder from  
 Tip to Shoulder to Shoulder Juncture)

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


1993 - Tara Prindle