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 triangular point with a thin cross section. The blade ranges from primarily straight to just slightly excurvate. The base varies from just slightly concave to just slightly convex with well defined basal corners. This point commonly well made with a random flaking pattern. pentagonal stemmed point with a flattened cross section.
Size Measurements:
Length - 23 to 34 mm (average 30 mm), Blade Width - 11 to 20 mm (average 14 mm), Thickness - 2 to 5 mm (average 3 mm)
Commonly Utilized Material:
Additional Comments:
The Escopeta Triangular is a larger version of the Navacoyan Triangular point (Spence, 1971)
Distribution:
Distribution Comments:
These point were found in association with site from the Llano Grande, Loma San Gabriel, and Guadiana Chalchihuites culture. the cultural regions of Chihuahua, Durango, Sonora, Sinloa, Nayarit, Zacatecas, San Luis Potosi, Jalisco, and Aguascalientes Mexico.
Age / Periods:
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Llano Grande, Guadiana Chalchihuites and Loma San Gabriel Cultures
Age Details:
This is part of the Fresno Horizon.
Other points in this cluster / Related / Associated Points: