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.
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.
Arco Triangular
Cluster: Description of Physical Characteristics and Flaking Pattern:
This is a medium ovoid point with an elliptical cross section. Then blade is broad and excurvate with the widest portion of the blade being at the half to bottom third of the point. The base is slightly convex with rounded basal corners. This point has a random flaking pattern.
Size Measurements:
Length - average 42 mm, Blade Width - average 29 mm, Thickness - average 6 mm, ***Based on small sample size***
Length - average 42 mm, Blade Width - average 29 mm, Thickness - average 6 mm, ***Based on small sample size***
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
These points seem to be restricted to the Las Chivas complex of the Llano Grande culture. They might be found in the Llano Grande cultural regions of Durango. May be found in other Llano Grande cultural areas of Sonora, Chihuahua, Sinloa, Nayarit, Jalisco, and Zacatecas.
These points seem to be restricted to the Las Chivas complex of the Llano Grande culture. They might be found in the Llano Grande cultural regions of Durango. May be found in other Llano Grande cultural areas of Sonora, Chihuahua, Sinloa, Nayarit, Jalisco, and Zacatecas.
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:
Similar Points:
Other points in this cluster / Related / Associated Points:
