Pawel Wolniewicz

Pawel Wolniewicz

Pawel Wolniewicz
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CHAUDRON: The Richat Structure in the Sahara desert of Mauritania

Earth has Bullseye ~ This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.

Tanya Atwater, educator and tectonist provides these amazing resources for free. Click around and enjoy.   :Welcome to our download page. The animation clips and other geo-educational items described below, are available for viewing and/or download...

Tanya Atwater, educator and tectonist provides these amazing resources for free. Click around and enjoy. :Welcome to our download page. The animation clips and other geo-educational items described below, are available for viewing and/or download...

The worlds biggest Amethyst Geode – The ‘Empress of Uruguay’ can be found at Atherton Tablelands, Cairns, Australia

The worlds biggest Amethyst Geode – The ‘Empress of Uruguay’ can be found at Atherton Tablelands, Cairns, Australia. The tens of thousands perfect, deep purple Amethyst crystals that nature has formed naturally inside truly amaze everyone who sees her.

Fantastic Pit, Ellison's Cave, Georgia

Fantastic Pit at Ellison's Cave, Georgia Ellison's Cave far under Pigeon Mountain in northwest Georgia. The cave's "Fantastic Pit," seen here, is the deepest cave drop in the continental United States at a staggering 586 vertical feet vertical meters).