Point Type: Adena
Associated Date: 2700 - 1200 B.P.
Morphology: Stemmed
Length Point:
Ave: [ 64 +/- 18 mm]
Range: [ 50 to 75 mm]
Example: [ 55 mm]
Width Point:
Ave: [ 28 +/- 4 mm]
Range: [ 17 to 43 mm]
Example: [ 29 mm]
Point Ratio (Width/Length):
Ave: [.46 +/- .12 ]
Length of Stem:
(Maximum)
Ave: [ 17 +/- 4 mm]
Range: [ 24 to 12 mm]
Example: [ 14 mm]
Width of Stem:
(Maximum)
Ave: [ 18 +/- 2 mm]
Range: [ 14 to 21 mm]
Example: [ 17 mm]
Stem Length/Point Ratio:
(Length of Stem / Length Point)
Ave: [.27 +/- .05 ]
Stem Width/Point Ratio:
(Width of Stem / Width Point)
Ave: [.66 +/- .11 ]
Stem Ratio: Ave: [.91 +/- .16 ] 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: [1.7 +/- .5 ] 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: [4.6 +/- 1.8 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: [90 +/- 11 o]
(Angle of Shoulder from
Tip to Shoulder to Shoulder Juncture)
Shoulder Juncture (Subjective): 1. Curve 2. Angle 3. Straight
© 1993 -
Tara Prindle