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Name Details:
Named By: Michael
W. Spence
Named For: Type
Site
Date Identified:
1971
Type Site: Schroeder
Site
Schroeder Basal Notch
Cluster:
Commonly Utilized Material:
Date:
Cultural Period:
1,450 - 1,050 B.P.
Preclassic
Vandal Minimum
Guadiana Chalchihuites culture
Glacial Period:
Culture:
Phase:
Outline is Representative of Size and Shape:
Description of Physical Characteristics and Flaking Pattern:
This is a small narrow triangular side notch point with a flattened
cross section. The blade ranges from straight to very slightly
excurvate. The shoulders range from horizontal to having a slight
upward angle. The stem is expanded with a base that varies from
concave to straight with a center basal notch. The stem has
straight lateral edges and basal corners that are square to very
slightly rounded. This point has a random flaking pattern.
Size Measurements: Length - average 27 mm, Blade Width -
11 to 16 mm (average 13 mm), Thickness - 2 to 3 mm (average
3 mm)
***Based on small sample size***
Distribution:
Distribution Comments:
This point is found in associations with Guadiana Chalchihuites cultural
sites in Durango.
Related / Associated Points:
Additional Comments:
This point is similar to the Cerro de Ayala Side Notch, but has a center
basal notch (Spence, 1971).
Pictures:
Other points in this Cluster:
Point Validity: Valid Type
.
Age Details:
Pictures Provided By:
References: (See Reference Page, Entry Number):
195
Schroeder Basal Notch Projectile Point, Schroeder Basal Notch Arrowhead
