Pecked curvilinear nucleated

{{Short description|Form of prehistoric rock carving}}

File:Pecked curvilinear nucleated petroglyphs on Ring Mountain.jpg]]

File:Pecked curvilinear nucleated petroglyph - close-up.jpg

Pecked curvilinear nucleated (PCN),{{cite journal

| url = http://www.arara.org/LP-30-1.pdf

| title = Rock Art Conservation at Canyon Trail Park, El Cerrito, California (San Francisco Bay Area)

| author = Leigh Marymor

| journal = La Pintura, the Official Newsletter of the American Rock Art Research Association

| volume = 30

| issue = 1

|date=August 2003

| accessdate=2009-02-06}} in archaeology, 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.Greg White and Mark Basgall, 1993 The form is characterized by a circular or oval groove element, which results in a raised center area.Ken Hedges and James E. Workman, 1983 The form is quite prevalent in California and is applied to a number of Native American rock carving sites in this portion of the United States.