Outline is Representative of Size and Shape:
Name Details:
Identified By: Michael W. Spence
Named For:
Date Identified: 1971
Type Site:
Identified By: Michael W. Spence
Named For:
Date Identified: 1971
Type Site:
Point Validity: Valid Type
Michael Spence is a distinguished anthropologist who retired Professor Emeritus from the Department of Anthropology, University of Western Ontario. He conducted extensive research in Mexico and Ontario. This type was identified in his publication on cultures of Mexico.
Adams Triangular
Cluster: Late Southern Triangle Cluster Description of Physical Characteristics and Flaking Pattern:
This is a medium to large triangular point with a thin elliptical cross section. The blade ranges from primarily incurvate to straight. The base is broad and strongly convex with rounded basal corners. Basal thinning is common on this type. This point has a random flaking pattern. . small pentagonal stemmed point with a flattened cross section.
Size Measurements:
Length - incomplete, Blade Width - 30 to 31 mm (average 31 mm), Thickness - average 5 mm, ***Based on small sample size***
Length - incomplete, Blade Width - 30 to 31 mm (average 31 mm), Thickness - average 5 mm, ***Based on small sample size***
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
This point is primarily found in the Grand River valley of Ontario and into southwestern Ontario. This point has been reported in Day County, Michigan.
This point is primarily found in the Grand River valley of Ontario and into southwestern Ontario. This point has been reported in Day County, Michigan.
Age / Periods:
Date: 1,700 - 900 B.P.
Cultural Period: Transitional Archaic to Preclassic
Glacial Period: Roman Warm to Medieval Warm
Culture: Llano Grande culture
Date: 1,700 - 900 B.P.
Cultural Period: Transitional Archaic to Preclassic
Glacial Period: Roman Warm to Medieval Warm
Culture: Llano Grande culture
Age Details:
Other points in this cluster / Related points:
Innes
Innes
