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Name Details:
Named By: Richard G. Forbis
Named For
Date Identified: 1962
Type Site:  Old Woman's Buffalo Jump, Alberta Canada
 Irvine
Prairie Side Notch Variant
Cluster:









Commonly Utilized Material:


Date:                   
Cultural Period:   
1,400  800 B.P.
Developmental
Vandal Minimum to
 Medieval Warm

Glacial Period:

Culture:
     
      


Outline is Representative of Size and Shape:
Irvine Projectile Point



Description of Physical Characteristics and Flaking Pattern:

This is a small to medium thin triangular side notch point with a flattened cross section.  The blade is slightly excurvate with horizontal shoulders.  Parallel U shaped notches enter the preform low on the blade forming a horizontal shoulder.  The stem is square and expanded with a slightly concave base.  The basal region is commonly slightly contracting and has a square appearance and is slightly narrower than the maximum width of the blade.  This point has a random flaking pattern. 

Size Measurements:  Total Length - 21 to 48 mm (average 25 to 35 mm),  Stem Length - 6 to 8 mm,  Blade Width - 12 to 21 mm,  Neck Width - 11 to 14 mm,  Stem Width - 11 to 18 mm

Distribution:
Distribution Comments:

This point is most commonly found in Alberta and into Montana.  This point may be found into Colorado with decreased frequency.

Similar Points:
Avonlea, Besant, Cayley, Cluny, Emigrant, Lookingbill, Mortlach, Plains Side Notch, Samantha, Washita
Related / Associated Points:
Additional Comments:



Pictures:

Other points in this Cluster:


Point Validity:   Valid Type

Forbis is an eminent anthropologist and was a professor for the Department of Anthropology at the University of Calgary.   He was responsible for development of the Archaeological Research Program for the Glenbow Museum and is considered the “Father of Alberta Archaeology”.  This point was named in a professional publication and has many professional references.  This is considered a valid type.




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Age Details:
Pictures Provided By:
As Illustrated by Granger and Ireland, 1986
Wade
Rothbob

Big Sky Enterprises




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References: (See Reference Page, Entry Number):

23, 30, 176
Irvine Projectile Point, Irvine Arrowhead