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Descriptive Attribute Value(s)
Collection Name/number SCI-09
Owner US Department of the Navy, Naval Facilities Engineering Command, Southwest
Micro Photo? yes; 1
Macro Photo? yes
Recovery Type Survey
Unit Not given
Depth (cm) Surface
Condition Broken
Material Class Groundstone
Object Type Donut stone
Rock Type Volcanic (rhyolitic)
Weight (g) 147.6
Maximum Object Diameter (cm) 9.0
Maximum Object Thickness (cm) 3.9
Minimum Perforation Diameter (cm) 2.3
Wear Distribution Light use-wear inside hole, at narrowest point only.
Wear Characteristics (up To 40x) Light leveling, rounding, and sheen on high areas.
Comments Flat surface is probably natural joint in bedrock. Conical hole. Approx. 1/3 of donut stone. Other id# 79-BW-1-8-573
Has note The SDAC curates several ground-stone -donut- objects collected by archaeologists during survey and excavation across sites in Southern California.
CA_SCLI_1515_00189_A.jpg
CA_SCLI_1515_00189_B_hole_10xhelicon
Descriptive Attribute Value(s)
Consists of
Vocabulary: CIDOC Conceptual Reference Model (CRM)
Volcanic (rhyolitic)
Suggested Citation

San Diego Archaeological Center. (2011) "SCI-09: 00189 from Americas/United States/California/CA-SCLI-1515". In San Diego Archaeological Center. San Diego Archaeological Center (Ed). Released: 2011-09-21. Open Context. <https://opencontext.org/subjects/80481fe1-ffdd-42f5-f6a6-2e9f4f37f108> ARK (Archive): https://n2t.net/ark:/28722/k2028vr4g

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