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Geobulletin alpha

News from the Geoblogosphere feed

by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Petroglyph Photo Gallery

A petroglyph is an image that is carved into a rock. This “carving” can produce a visible indentation in the rock or it can simply be the scratching away of a weathered surface to reveal unweathered material of a different color below.

Stratigraphy.net | Impressum
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