|'Iipay Aa Name||hapiichaa|
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 ovoid in shape. The stone material is a granitic (granite) with gold (weathered biotite) mica, pink feldspar and a few large quartz inclusions. It is coarse grained.
This grinding or milling stone ventral side is smooth with pitting, dark, stained fire-affected. This grinding stone dorsal side is not stained and smooth. Striations appearing on the surface suggest that this mano was used in an undulating or back and forth movement. Scarce wear marks on the perimeter sides suggest little use but sides are stained and fire-affected with some losses. The stone appears to be pecked on the ventral surface; pecking increases the grinding surface for greater traction.
Length - 4.212", Width - 3.582", Height - 1.929", Weight - 1.732 lbs
|Provenance||This artifact was found within the local San Diego County region, collected 1910-1950.|
|Date||Late Prehistoric (1300-800 YA)|
|Culture||Kumeyaay / Diegueño|
|Place of Origin||San Diego County|
|Caption||Mano, granitic: ventral view, side A (polished, pecked working surface).|