Sedimentary layers with bands of hematite, magnetite (gray-black), and jasper (red) in banded iron formations of northern Michigan, USA.

Sedimentary layers with bands of hematite, magnetite (gray-black), and jasper (red) in banded iron formations of northern Michigan, USA.

The pebbles at this beach have eroded from ocean bottom deposits left millions of years ago. These colorful little stones decorate the entire beach along this stretch of Bean Hollow, and tuck themselves away in the pockets of tafoni.

The pebbles at this beach have eroded from ocean bottom deposits left millions of years ago. These colorful little stones decorate the entire beach along this stretch of Bean Hollow, and tuck themselves away in the pockets of tafoni.

balance... lo más importante en la vida . El hombre de la montaña respondió: Simplemente estoy aquí , sólo soy.

balance... lo más importante en la vida . El hombre de la montaña respondió: Simplemente estoy aquí , sólo soy.

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