Petroglyphs
New Mexico, USA / December 2007
Petroglyphs are images created by removing part of
a rock surfaces by incising, pecking, carving, and abrading.
The images in this collection is created at the Three Rivers Petroglyph
site, New Mexico. The Three Rivers Petroglyph site have over 21,000
petroglyphs created by the Jornada Mogollon people between 900 and 1400 AD.
These etchings were made by chipping away at the dark outer layer of oxidized
rock called the patina to reveal the lighter surface below.
Three Rivers, New Mexico, USA / December 2007
