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Name Details:
Named By: Michael
W. Spence
Named For:
Date Identified:
1971
Type Site:
San Miguel Corner Notch
Cluster:
Commonly Utilized Material:
Date:
Cultural Period:
1,700 - 900 B.P.
Transitional Archaic to Preclassic
Roman Warm to Medieval Warm
Llano Grande culture
Glacial Period:
Culture:
Phase:
Outline is Representative of Size and Shape:
Description of Physical Characteristics and Flaking Pattern:
This is a small asymmetrical corner notch with an elliptical cross
section. The blade is asymmetrical with one blade being straight
to slightly excurvate with an horizontal to having an upward angle,
while the other blade is incurvate with a shoulder that points outward
or upward. The edge that is incurvate has beveled edges. The
stem is expanding with a slightly convex to slightly concave base.
This point has a random flaking pattern.
Size Measurements: Length - 26 to 30 mm (average 27 mm), Blade Width -
average 25 mm, Thickness - 4 to 5 mm (average
5 mm)
***Based on small sample size***
Distribution:
Distribution Comments:
These points are associated with the Llano Grande culture of
Sonora, Chihuahua, Sinloa, Nayarit, Jalisco, and Zacatecas.
Related / Associated Points:
Additional Comments:
Pictures:
Other points in this Cluster:
Point Validity: Valid Type
.
Age Details:
This type appears early in the Llano Grande
region (Spence, 1971)
Pictures Provided By:
References: (See Reference Page, Entry Number):
195
San Miguel Corner Notch Projectile Point, San Miguel Corner Notch Arrowhead
