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.
Cerro de Ayala Stemmed
Cluster: Description of Physical Characteristics and Flaking Pattern:
This is a small triangular stemmed point with a thin elliptical cross section. The blade ranges from straight to slightly excurvate. The shoulders are at an upward angle with a stem that varies from straight to slightly expanding. The base ranges from straight to very slightly concave. This point has a random flaking pattern.
Size Measurements:
Length - average 24 mm, Blade Width - average 12 mm, Thickness - average 4 mm ***Based on small sample size***
Length - average 24 mm, Blade Width - average 12 mm, Thickness - average 4 mm ***Based on small sample size***
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
These points are primarily associated with the Guadiana Chalchihuites cultural sites in Durango.
These points are primarily associated with the Guadiana Chalchihuites cultural sites in Durango.
Age / Periods:
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Guardiana Chalchihuites culture
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Guardiana Chalchihuites culture
Age Details:
Other points in this cluster / Related / Associated Points:
