Object Record

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Collection Speer Collection
Catalog Number 1999.0001.1442
Object Name Metate
'Iipay Aa Name 'ehpii
Description A round, fragmented, portable grinding stone platform with a depression, also known as a basin metate. The material is metamorphic schist including muscovite mica. It is fine grained. It has a central basin that was formed by rotary grinding movements typically with a hand-held grinding stone, called a mano. There are dark concentric layers exposed by grinding in the basin.

This grinding or milling stone's ventral platform forms a polished depression, the basin, and is 8 1/2 inches (21.59 cm) long, 6 inches (15.24 cm) wide and 1.259 inches (3.2 cm) deep. Construction of the stone created a smooth surface. The dorsal side of the stone is curved with a flat area measuring 6 inches (15.24 cm) by 3 1/2 inches (8.89 cm).

Length - 10.078", Width - 12.165", Height - 3.464", Weight - 12 lbs.

Provenance This artifact was found within the local San Diego County region, 1910-1950.
Date Late Prehistoric (1300-800 YA)
Material Schist
Culture Kumeyaay / DiegueƱo
Place of Origin CA
Caption Metate, basin, fragment, granitic. Ventral horizontal view, side A.