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.
Guadiana Concave Base
Cluster: Late Southern Triangle Cluster Description of Physical Characteristics and Flaking Pattern:
This is a small triangular point with a thin cross section. The blade is slightly incurvate with a deeply concave base. This point has a random flaking pattern.
Size Measurements:
Length - 17 to 19 mm (average 18 mm), Blade Width - 11 to 19 mm (average 15 mm), Thickness - 2 to 4 mm (average 3 mm) ***Based on small sample size***
Length - 17 to 19 mm (average 18 mm), Blade Width - 11 to 19 mm (average 15 mm), Thickness - 2 to 4 mm (average 3 mm) ***Based on small sample size***
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
These point are primarily found in pure Loma cultural regions and areas associated with the Early and Calera phase of the Guadiana culture of Durango and adjacent regions.
These point are primarily found in pure Loma cultural regions and areas associated with the Early and Calera phase of the Guadiana culture of Durango and adjacent regions.
Age / Periods:
Date: 1,450 - 650 B.P.
Cultural Period: Preclassic to Classic
Glacial Period: Vandal Minimum to Medieval Warm
Culture: Guadiana Chalchihuites and Loma San Gabriel culture
Date: 1,450 - 650 B.P.
Cultural Period: Preclassic to Classic
Glacial Period: Vandal Minimum to Medieval Warm
Culture: Guadiana Chalchihuites and Loma San Gabriel culture
Age Details:
Part of the Starr Horizon
Part of the Starr Horizon
Other points in this cluster / Related / Associated Points:
