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petroglyphs

Types of Rock Art: Petroglyphs and Pictographs
Image: iStockphoto.com/DaveRock

Types of Rock Art: Petroglyphs and Pictographs

Thousands of years ago people described events and plans and expressed ideas and feelings on rocks with pigments or carvings, depending on the materials at hand.

Discover the differences between petroglyphs and pictographs — and how this artwork has lasted so long.

Geology.com
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1054 Supernova Petrograph

1054 Supernova Petrograph

More than a thousand years ago, Anasazi residents of the Chaco Canyon in New Mexico first saw the "Crab Nebula." Get the details. More...

Article
Chaco Canyon National Park
Capturing Similarities in Rock Art

Capturing Similarities in Rock Art

Eamon Keogh and his team are archiving images of petroglyphs found in the U.S. Southwest in order to use "data-mining: algorithms. Take a look. More...

Profile
National Geographic
Hopi Petroglyph Sites

Hopi Petroglyph Sites

Tutuveni is a Hopi village in Arizona that contains 5,000 petroglyphs, each one a symbol of a clan. Investigate who created them, what they mean, and their long history. More...

Images
CyArk
Make Your Own Petroglyph

Make Your Own Petroglyph

Before words, petroglyphs conveyed messages and ideas, and those in New Mexico’s Chaco Canyon are prime samples. Try to determine their meanings. Then create your own idea in symbols. More...

Activity
Exploratorium
North America’s Oldest Known Petroglyphs Discovered in Nevada

North America’s Oldest Known Petroglyphs Discovered in Nevada

These petroglyphs were gouged into big boulders some 15,000 years ago. How did scientists determine their age? And what do they reveal about the earliest people on the continent? Find out. More...

Article
NPR
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Petroglyph Photo Gallery

Petroglyph Photo Gallery

All different but similar, art has been carved into rocks around the world. Glance at this gallery of prehistoric petroglyphs on islands and continents. More...

Images
Geology.com
Range Creek’s Fremont Artifacts

Range Creek’s Fremont Artifacts

A battle with a mountain lion led a reclusive rancher in Utah to a trove of archaeological artifacts, including petroglyphs. Learn his story and see what he found. More...

Article
National Geographic
Stolen California Petroglyphs Returned, but Many Questions Remain

Stolen California Petroglyphs Returned, but Many Questions Remain

The 3,000-year-old petroglyphs in California that thieves sawed off and blasted from rock formations were recovered. Learn about renewed efforts to protect against more vandalism. More...

Article
NPR
The Writing on the Rocks: Petroglyphs in Our Back Yard

The Writing on the Rocks: Petroglyphs in Our Back Yard

Ancient road signs in Idaho are 12,000-year-old petroglyphs up and down the Snake River canyon outside of Boise. Visit this site for an archaeological experience in prehistoric art. More...

Article
Boise Weekly

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