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Name Details:
Named By: Richard
S. MacNeish
Named For:
Date Identified:
1967
Type Site:
Tilapa
Cluster:
Commonly Utilized Material:
Local cherts and obsidian
Date:
Cultural Period:
7,500 - 5,600 B.P.
Early to Middle Archaic
Middle Holocene
Glacial Period:
Culture:
Outline is Representative of Size and Shape:
Description of Physical Characteristics and Flaking Pattern:
This is a medium triangular stemmed point with an
elliptical cross section. The blade is short and stubby, commonly
wider than the length of the blade with straight to slightly excurate
edges and may be serrated. The shoulders are barbed and may vary
from being only slightly barbed to having the barbs extend down the the
midpoint of the stem. Commonly the barbs are at a 45 degree angle
to the stem. The stem is straight with a base that ranges
from convex to straight. The basal corners are rounded. This
type is manufactured using percussion flaking then fine pressure flaking
is used to shape the shoulder, stem and blade giving a random flaking
pattern. Size Measurements: Length - 35 to 54 mm (average 41 mm), Stem Length - 7 to 22 mm
(average 15mm), Blade Width -
36 to 55 mm (average 48 mm), Stem Width - 18 to 27 mm (average 21mm), Thickness -
5 to 10 mm (average 7 mm)
Distribution:
Distribution Comments:
Tilapa point have been reported in Tehuacan Valley, San Nicholas Cave
in Queretaro, Cueva de la Nopalera, Hidalgo, Mexico.
Related / Associated Points:
Additional Comments:
Other points in this Cluster:
Point Validity: Valid Type
MacNeish was a pioneering
anthropologist who was most notable for his excavations and studies at Tamaulipas Mexico. This type has been references in professional publications and has many
professional references. This is considered a valid type.
.
Age Details:
Pictures Provided By:
References: (See Reference Page, Entry Number):
189, 190, 193
Tilapa Projectile Point, Tilapa Arrowhead
