vlkphoto:Garnet AmphiboliteExhibited at the Smithsonian Museum of Natural History, Washington, DC.
vlkphoto:Garnet AmphiboliteExhibited at the Smithsonian Museum of Natural History, Washington, DC. According to the accompanying sign, it comes from Gore Mountain, NY, and is 1.1 billion years old, and this metamorphic rock was formed in a collision between North America and another continent; the dark red areas are huge garnet crystals.Some distracting reflections removed using Snapheal. -- source link
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