Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1381
Object Name Mano
'Iipay Aa Name hapiichaa
Description A whole hand-held grinding stone, also known as a mano in Southern California archaeology. This bifacial stone is used with one hand for grinding and was shaped in construction; it is shouldered by usewear. It is square in shape. The stone material is a granitic (granite) with traces of muscovite mica. It is medium grained.

This grinding or milling stone's ventral side is polished with some pecking and a small fragment missing. Its dorsal side is very polished with light pecking. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. The perimeter sides are rough without polish and one side has a rusted mineral weathering out. The stone appears to be lightly pecked on the grinding surfaces; pecking increases the grinding surface for greater traction.

Dimensions:
Length - 2.874", Width -3.188 ", Thickness - 1.929", Weight - 1.244 lbs.

Provenance This artifact was found within the local San Diego County region, collected 1910-1950.
Date Late Prehistoric (1300-800 YA)
Material Granitic
Culture Kumeyaay / DiegueƱo
Place of Origin San Diego County
Caption Mano, granite: dorsal view, side A (some pecking, mostly polish)