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 Barbed
Cluster: Description of Physical Characteristics and Flaking Pattern:
This is a medium triangular barbed stemmed point with a thin elliptical cross section. The blade is long with slightly incurvate edges. The shoulders are barbed commonly extending to the half way or bottom third of the stem. The stems are relatively long and narrow ranging from straight to slightly contracting with a convex base. This point has a random flaking pattern.
Size Measurements:
Length - 33 to 37 mm (average 35 mm), Blade Width - 19 to 29 mm (average 24 mm), Thickness - 3 to 5 mm (average 4 mm)
Length - 33 to 37 mm (average 35 mm), Blade Width - 19 to 29 mm (average 24 mm), Thickness - 3 to 5 mm (average 4 mm)
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
This point is found in associations with Llano Grande and Guadiana Chalchihuites cultural sites of Durango, Chihuahua, Sonora, and Sinloa Mexico.
This point is found in associations with Llano Grande and Guadiana Chalchihuites cultural sites of Durango, Chihuahua, Sonora, and Sinloa Mexico.
Age / Periods:
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Llano Grande and Guadiana Chalchihuites cultures
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Llano Grande and Guadiana Chalchihuites cultures
Age Details:
Appears as a early Llano Grande type (Spence, 1971)
Appears as a early Llano Grande type (Spence, 1971)
Similar Points:
Acatita, Amargosa Type I, Axoloti, Coxatlan, Encino Type II, Hatch, San Fernando, Schroeder Barbed, Shumla, Slentz, Trinidad
Acatita, Amargosa Type I, Axoloti, Coxatlan, Encino Type II, Hatch, San Fernando, Schroeder Barbed, Shumla, Slentz, Trinidad
Other points in this cluster / Related / Associated Points:
