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.
Loma Concave Base
Cluster: Late Southern Triangle Cluster Description of Physical Characteristics and Flaking Pattern:
This is a small triangular point with a thin elliptical cross section. The blade is asymmetrical with one blade being more excurvate and the other blade being straight to incurvate. The base is concave with rounded basal corners. This point has a random flaking pattern.
Size Measurements:
Length - 16 to 25 mm (average 21 mm), Blade Width - 9 to 17 mm (average 16 mm), Thickness - 2 to 5 mm (average 5 mm)
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
This point are found in association with Loma Cultural sites of Chihuahua, Durango, Zacatecas, San Luis Potosi, Jalisco, and Aguascalientes Mexico.
This point are found in association with Loma Cultural sites 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
Date: 1,800 - 650 B.P.
Cultural Period: Transitional Archaic to Classic
Glacial Period: Roman to Medieval Warm
Culture: Loma Culture
Age Details:
