Now that's a big gash!
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Mars rocks photographed today gi
KRISHU80
Ironstone banding!
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Explore Meteor Crater & Petrified Forest National Park | Awesome Science
NTD Features
Quartz or Quartzite?
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What is the Cambrian Explosion?
JimOnTheStreet
Interesting Layering!
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Agate!
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The backsplash Mountains
Love is always haven if you are a lover
Boring!
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Alien Rock!
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Abused Limestone Nugget!
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Chert Chunk!
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Chert Chunk!
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Water Enters Jezero Crater Billions of Years Ago (Artist's Concept)
Ashikshibu
Botryoidal Glow!
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Unexpected inards!
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Bit of opal in there!
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Agate Cut!
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Beautiful Agate Cut!
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Nodule Cut!
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Agate Nodule Cut!
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Agate Nodule Cut!
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Botryoidal Geode!
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My BFFs a BIF!
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