Pecked curvilinear nucleated
Encyclopedia
Pecked curvilinear nucleated, (PCN) in archaeology
Archaeology
Archaeology, or archeology , is the study of human society, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which includes artifacts, architecture, biofacts and cultural landscapes...

, is a form of prehistoric rock carving. The term was originally proposed by Teresa Miller and Reed Haslam in 1976 to describe a widespread type of rock carving in western North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

. The form is characterized by a circular or oval groove element, which results in a raised center area. The form is quite prevalent in California and is applied to a number of Native American rock carving sites in this portion of the USA.

Examples

Occurrences of this type of rock carving can be found at Ring Mountain, Marin County, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, and in Lakeport, California
Lakeport, California
Lakeport is an incorporated city and county seat of Lake County, California. Lakeport is located on the west shore of Clear Lake, at an elevation of 1355 feet...

.
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