Jack's Reef pentagonal projectile point

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Jack's Reef pentagonal projectile point from central New York State

Jack's Reef pentagonal projectile points are stone projectile points manufactured by Native Americans what is now the northeastern United States generally in the time interval of 600-1200. They derive their name from the specimens found at the Jack's Reef site in Onondaga County, New York.[1]


Jack's Reef pentagonal points are generally about 1 to 134 inches long. They are generally rather thin and pentangular in shape, about one and a third times longer than they are wide. They usually have a straight base. They are generally made from local flints, jasper, quartz and quartzite.[1]

Age and cultural affiliations[edit]

They have mostly been dated to within a few hundred years of 900 AD in the early era of the Owasco culture.[1]


These points are generally found in the American northeast (New York, Ohio, Pennsylvania, Virginia).[1]

See also[edit]

External links[edit]


  1. ^ a b c d Ritchie, William A. (1989). A Typology and Nomenclature for New York Projectile Points (New York State Museum Bulletin Number 384). Albany, New York: The University of the State of New York, The State Education Department.