Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1259
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 unshaped in construction. It is oval in shape. The stone material is a granitic (granite) with gold (weathered biotite) mica and inclusions of biotite. It is very coarse grained.

This grinding or milling stone ventral side is slightly flat from grinding and lighter color. This grinding stone dorsal side is pecked, rounder and darker; pecking increases the grinding surface for greater traction. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. Wear marks on the ends indicate battering and ends are fractured from use.

Length - 3.425", Width - 2.992", Height - 2.086", Weight - 1.139 lbs

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