Outline is Representative of Size and Shape:
Name Details:
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.
Description of Physical Characteristics and Flaking Pattern:
This is a small narrow triangular point with a thin elliptical cross section. The blade is excurvate and commonly has serrations. The base is convex with rounded basal corners. This point is commonly crudely made with a a random flaking pattern.
Size Measurements:
Length - 28 to 33 mm (average 31 mm), Blade Width - 11 to 14 mm (average 12 mm), Thickness - 4 to 7 mm (average 5 mm)
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
This point are found in association with Loma Cultural sites of Chihuahua, Durango, Zacatecas, San Luis Potosi, Jalisco, and Aguascalientes Mexico.
Age / Periods:
Date: 1,800 - 650 B.P.
Cultural Period: Transitional Archaic to Classic
Glacial Period: Roman to Medieval Warm
Culture: Loma San Gabriel Culture
Age Details:
Other points in this cluster / Related / Associated Points: