Outline is Representative of Size and Shape:
Name Details:
Identified By: Noel Justice
Named For: Contra Costa County, California
Date Identified: 2002
Type Site:
Identified By: Noel Justice
Named For: Contra Costa County, California
Date Identified: 2002
Type Site:
Point Validity:
Valid type
Justice is a distinguished anthropologist and Assistant Director and Curator of Collections at Glenn A. Black Laboratory of Archaeology at Indiana University. This point was named in his book on points of the Southwest. There are currently few professional references to this type, but that may be due to the limited distribution and number of examples. This is considered a valid type.
Justice is a distinguished anthropologist and Assistant Director and Curator of Collections at Glenn A. Black Laboratory of Archaeology at Indiana University. This point was named in his book on points of the Southwest. There are currently few professional references to this type, but that may be due to the limited distribution and number of examples. This is considered a valid type.
Contra Costa Notched
Cluster: Contra Costa Cluster Description of Physical Characteristics and Flaking Pattern:
This is a small to large triangular point with a flattened to elliptical cross section. The blade may vary from excurvate to straight. The blade has parallel notches on the blade just above the shoulders. Many examples have serrations on the blade. The shoulders are commonly drooping downward. The stem is contracting with a straight to convex base. This point has a random flaking pattern.
Size Measurements:
Total Length - 43 to 214 mm, Stem Length - 8 to 22 mm, Blade Width - 25 to 62 mm, Neck Width - 11 to 37 mm, Basal Width - 9 to 24 mm, Thickness - 5 to 8 mm
Total Length - 43 to 214 mm, Stem Length - 8 to 22 mm, Blade Width - 25 to 62 mm, Neck Width - 11 to 37 mm, Basal Width - 9 to 24 mm, Thickness - 5 to 8 mm
Commonly Utilized Material:
Additional Comments:
Distribution:
Distribution Comments:
This point is primarily found in the Sacramento Delta region and into the San Francisco Bay area.
This point is primarily found in the Sacramento Delta region and into the San Francisco Bay area.
Age / Periods:
Date: 2500 - 1,500 B.P.
Cultural Period: Transitional Archaic
Glacial Period: Neoglacial to Medieval Warm
Culture:
Date: 2500 - 1,500 B.P.
Cultural Period: Transitional Archaic
Glacial Period: Neoglacial to Medieval Warm
Culture:
Age Details:
Similar Points:
Chanel Islands, Coquille, Cueva de la Nopalera I, Cueva de la Nopalera II, Point Sal Barbed
Chanel Islands, Coquille, Cueva de la Nopalera I, Cueva de la Nopalera II, Point Sal Barbed
Other points in this cluster / Related / Associated Points:
