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Breccia - Volcanic


Product Description

LL Demos & Labs: Rock Profile: Breccia

The term breccia (bre • chee • uh) specifically applies to extrusive igneous rock that is formed when hot, gooey volcanic bombs form masses as they land on the ground and stick together. Kind of like a cinnamon pull apart. This breccia was formed about 800 years ago in Northern California when a vent on Glass Mountain erupted. These samples come from northern California near Glass Mountain.

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