Outline is Representative of Size and Shape:
Name Details:
Identified By: James L. Dykman
Named For: Type Site
Date Identified: 1976
Type Site: Abajo Site (29SJ116), San Juan County, New Mexico
Identified By: James L. Dykman
Named For: Type Site
Date Identified: 1976
Type Site: Abajo Site (29SJ116), San Juan County, New Mexico
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.
Durango Concave Base
Cluster: Late Southern Triangle Cluster Description of Physical Characteristics and Flaking Pattern:
This is a small to medium triangular point with a thin elliptical cross section. The blade is slightly excurvate and flares out at the base. The base is slightly concave with prominent basal corners. This point has a random flaking pattern.
Size Measurements:
Length - 35 to 41 mm (average 38 mm), Blade Width - 12 to 34 mm (average 22 mm), Thickness - 3 to 8 mm (average 5 mm)
Length - 35 to 41 mm (average 38 mm), Blade Width - 12 to 34 mm (average 22 mm), Thickness - 3 to 8 mm (average 5 mm)
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
These point were found in association with site from the Llano Grande, Loma San Gabriel, and Guadiana Chalchihuites culture. the cultural regions of Chihuahua, Durango, Sonora, Sinloa, Nayarit, Zacatecas, San Luis Potosi, Jalisco, and Aguascalientes Mexico.
These point were found in association with site from the Llano Grande, Loma San Gabriel, and Guadiana Chalchihuites culture. the cultural regions of Chihuahua, Durango, Sonora, Sinloa, Nayarit, Zacatecas, San Luis Potosi, Jalisco, and Aguascalientes Mexico.
Age / Periods:
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Llano Grande, Guadiana Chalchihuites,and Loma San Gabriel Cultures
Date: 1,450 - 1,050 B.P.
Cultural Period: Preclassic
Glacial Period: Vandal Minimum
Culture: Llano Grande, Guadiana Chalchihuites,and Loma San Gabriel Cultures
Age Details:
Similar Points:
Adams Triangle, Atotonilco Triangle, Early Triangle, Hohokam Knife, Loma Concave Base, Matamoros, Mescal Knife, Navacovan Concave Base, Tortugas
Adams Triangle, Atotonilco Triangle, Early Triangle, Hohokam Knife, Loma Concave Base, Matamoros, Mescal Knife, Navacovan Concave Base, Tortugas
Other points in this cluster / Related / Associated Points:
