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.
Hervideros Diagonal Base
Cluster:
Description of Physical Characteristics and Flaking Pattern:
This is a medium to large triangular point with an elliptical cross section. The blade is excurvate. The base is convex and angle up with one basal corner being higher than the other basal corner. This point has a random flaking pattern.
Size Measurements:
Length - 50 to 56 mm (average 54 mm), Blade Width - 22 to 30 mm (average 27 mm), Thickness - 6 to 12 mm (average 9 mm) ***Based on small sample size***
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
Primarily associated with the Las Joyas complex of the Loma culture of the Chapalangana area. May be found throughout the Loma cultural region 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 culture
Age Details:
Other points in this cluster / Related / Associated Points: